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CVE-2026-48715 Alta · 8.8 CWE-121 19/06/2026
radvdump's Route Information Option Parser has a Stack Buffer Overflow
radvd is a router advertisement daemon for IPv6. Prior to version 2.21, the `radvdump` utility shipped with radvd contains a stack buffer overflow in the Route Information option parser. When processing a crafted ICMPv6 Router Advertisement, `print_ff()` copies up to 2032 bytes from attacker-controlled packet data into a 16-byte `struct in6_addr` on the stack, overflowing by up to 2016 bytes. Note that the main `radvd` daemon is not affected by the vulnerability. Version 2.21 patches the issue.
CVE-2026-51846 Crítica · 9.8 CWE-121 19/06/2026
Estouro de Buffer na Pilha no Parâmetro wanSpeed do Firmware Tenda AC7 (CVE-2026-51846)
No Tenda AC7 v15.03.06.44, o parâmetro wanSpeed da rota /goform/AdvSetMacMtuWan apresenta uma vulnerabilidade de estouro de buffer na pilha que pode levar à execução remota arbitrária de código.
CVE-2026-51845 Crítica · 9.8 CWE-121 19/06/2026
Tenda AC7: estouro de buffer baseado em pilha na interface AdvSetMacMtuWan
O Tenda AC7 v15.03.06.44 contém uma vulnerabilidade de estouro de buffer na pilha na interface /goform/AdvSetMacMtuWan por meio do parâmetro mac.
CVE-2026-51844 Crítica · 9.8 CWE-121 19/06/2026
Estouro de buffer na pilha no Tenda AC7 em AdvSetMacMtuWan via cloneType
O Tenda AC7 v15.03.06.44 contém uma vulnerabilidade de estouro de buffer na pilha (stack buffer overflow) na interface /goform/AdvSetMacMtuWan por meio do parâmetro cloneType.
CVE-2026-51843 Crítica · 9.8 CWE-121 19/06/2026
Estouro de buffer na pilha no firmware do Tenda AC7 no tratamento de wanMTU
O Tenda AC7 v15.03.06.44 contém uma vulnerabilidade de estouro de buffer na pilha (stack buffer overflow) na interface /goform/AdvSetMacMtuWan, através do parâmetro wanMTU.
CVE-2026-55738 Alta · 8.8 CWE-121 17/06/2026
Stack Buffer Overflow in rxi/microtar raw_to_header() via non-null-terminated TAR name field
A stack-based buffer overflow exists in the raw_to_header function in src/microtar.c in rxi microtar 0.1.0. The function copies the 100-byte name and linkname fields of a TAR header with strcpy without guaranteeing null termination of the source.
CVE-2026-10829 Alta · 8.6 CWE-121 16/06/2026
Stack-based Buffer Overflow em Moxa NPort W2150A-W4/W2250A-W4 Series
A stack-based buffer overflow vulnerability has been found in the NPort W2150A-W4/W2250A-W4 Series version 1.5 and earlier. This vulnerability stems from insufficient input validation of user-supplied input in the "Server location" parameter on the Basic settings page. An attacker could exploit this vulnerability by sending crafted input to the web service, resulting in memory corruption. Successful exploitation of this vulnerability could allow remote code execution on the target system with root privileges.
CVE-2026-7273 Alta · 8.8 KEV Alta · 54 CWE-121 16/06/2026
Zyxel GS1900 Series Switches Stack-Based Buffer Overflow Vulnerability
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
CVE-2025-55660 Média · 5.5 CWE-121 15/06/2026
Stack-based Buffer Overflow em Gpac
A stack overflow in the gf_opus_read_length function (media_tools/av_parsers.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
CVE-2026-8356 Média · 5.4 CWE-121 15/06/2026
Stack buffer overflow in PPT presentation import
LibreOffice can import presentations in the legacy binary PPT format. A stack buffer overflow existed when importing a colour-replacement record. Two fixed-size colour tables were filled from the file, but the write position was not reset between the two passes over the record, so a file whose combined colour counts exceeded the table size wrote past the end of the tables on the stack. In fixed versions the unused second pass is no longer read into those tables.
CVE-2025-7019 Média · 5.5 CWE-121 12/06/2026
Avast antivirus stack overflow when scanning a malformed Office Open XML file
Stack overflow vulnerability in Avast Antivirus when scanning a malformed Office Open XML file may allow Denial-of-Service of the antivirus process. This issue affects Avast Antivirus, AVG Antivirus, Norton Antivirus, Avast One, and Avast Business Antivirus on Windows, macOS, and Linux for virus definition builds before VPS 25020100. The affected scanning logic is delivered through a shared Gen Digital virus definition update stream. The same stream feeds the consumer antivirus products listed in this advisory and other Gen Digital products that embed the same engine. Mitigation flows through this update channel; installations at or above the listed build are not vulnerable regardless of which product consumes the stream.
CVE-2026-49760 Média · 5.5 CWE-121 10/06/2026
Stack Buffer Overflow in ei_s_print_term at Very Large Integer
Stack-based Buffer Overflow vulnerability in Erlang OTP (erl_interface) allows Stack-based Buffer Overflow. This vulnerability is associated with program file lib/erl_interface/src/misc/ei_printterm.c and program routine ei_s_print_term. The C function ei_s_print_term uses an internal 2000-character stack buffer to format terms. When called with an encoded Erlang term containing a very large integer (encoded representation exceeding 2000 characters), the buffer overflows. The overflow bytes are restricted to the ASCII values of 0-9 and A-F, which limits exploitation to Denial of Service. The companion function ei_print_term, which prints directly to a FILE instead of a memory buffer, does not contain this bug. This issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erl_interface from 3.7.16 before 5.5.2.1, 5.7.0.1, and 5.8.1. Whether OTP before OTP 17.0, corresponding to erl_interface before 3.7.16, is affected is unknown.
CVE-2026-49759 Alta · 8.2 CWE-121 10/06/2026
Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash
Stack-based Buffer Overflow vulnerability in Erlang OTP erts (inet_drv) allows an unauthenticated remote attacker to crash the BEAM VM by sending a crafted SCTP ERROR chunk. The sctp_parse_error_chunk function in erts/emulator/drivers/common/inet_drv.c parses SCTP ERROR chunks and writes cause codes into a fixed-size stack-allocated ErlDrvTermData spec[] array without checking bounds. A remote attacker who has established an SCTP association to a listening port can send a single crafted SCTP ERROR chunk containing enough cause codes to overflow the stack buffer, crashing the VM. The attacker can only write 16-bit values interleaved with a fixed tag, so the overflow does not provide a controlled return address, limiting exploitation to Denial of Service. A crafted SCTP ERROR chunk may also leak bits and pieces of Erlang VM memory into the received error packet observed by the Erlang process. Such data is already readable by the user running the Erlang VM, so the disclosure scope is limited. This issue affects OTP from OTP 17.0 before OTP 27.3.4.13, OTP 28.5.0.2, and OTP 29.0.2, corresponding to erts from 6.0 before 15.2.7.9, 16.4.0.2, and 17.0.2. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown.
CVE-2026-26241 Crítica · 9.1 CWE-121 10/06/2026
File Station 5
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later
CVE-2026-26240 Crítica · 9.1 CWE-121 10/06/2026
File Station 5
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later
CVE-2026-26239 Alta · 8.1 CWE-121 10/06/2026
File Station 5
A buffer overflow vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5208 and later
CVE-2025-66280 Alta · 7.2 CWE-121 10/06/2026
QTS, QuTS hero
An integer overflow or wraparound vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later
CVE-2026-44634 Alta · 8.7 CWE-121 09/06/2026
Stack buffer overflows in SimpleBLE
SimpleBLE is a cross-platform library and bindings for Bluetooth Low Energy (BLE). Prior to version 0.14.0, there are multiple stack-based buffer overflow vulnerabilities in SimpleBLE. There is a stack overflow vulnerability in the dongl backend’s Protocol::simpleble_write function (local, caller-controlled input). A stack overflow vulnerability when processing manufacturer-specific data in BLE advertisements (remote, no pairing or connection required). Lastly, a stack overflow vulnerability when processing service data in BLE advertisements (remote, no pairing or connection required). This issue has been patched in version 0.14.0.
CVE-2026-47959 Alta · 7.8 CWE-121 09/06/2026
Acrobat Reader | Stack-based Buffer Overflow (CWE-121)
Acrobat Reader versions 24.001.30365, 26.001.21651 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVE-2026-36823 Alta · 7.5 CWE-121 09/06/2026
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a…
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the webAuthUserInfo parameter of the formAddWebAuthUser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVE-2026-36822 Alta · 7.5 CWE-121 09/06/2026
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a…
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the macAddr parameter of the formDelStaState function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVE-2026-36821 Alta · 7.5 CWE-121 09/06/2026
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a…
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the picCropName parameter of the formCropAndSetWewifiPic function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVE-2026-36820 Alta · 7.5 CWE-121 09/06/2026
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a…
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the webAuthWhiteUserInfo parameter of the formAddWebAuthWhiteUser function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVE-2026-36819 Alta · 7.5 CWE-121 09/06/2026
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a…
Shenzhen Tenda Technology Co., Ltd Tenda W20E v15.11.0.6 was discovered to contain a buffer overflow in the bindMACAddr parameter of the fromSetDhcpRules function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.
CVE-2026-36813 Alta · 7.5 CWE-121 09/06/2026
Shenzhen Tenda Technology Co., Ltd Tenda W15E v15.11.0.10 was discovered to contain a…
Shenzhen Tenda Technology Co., Ltd Tenda W15E v15.11.0.10 was discovered to contain a buffer overflow in the picCropName parameter of the formCropAndSetWewifiPic function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.