CVE-2026-12850 — GeoVision GV-I/O Box 4E OS Command Injection in libNetSetObj.so
Multiple OS command injection vulnerabilities exist in the libNetSetObj.so functionality of GeoVision GV-I/O Box 4E 2.09. A specially crafted network packet can lead to command execution. An attacker can send a network request to trigger this vulnerability. `libNetSetObj.so` is an internal library used by various binaries on the device to configure the network stack (start and stop various services, configure IP, Netmask, gateway, dns, etc.) #### CNetSetObj::m_F_n_Set_Gate_way command injection The following function takes a string as a gatewy address, performs no sanitization on it and calls `system`. This is a classic command injection vulnerability. The function is reachable from both the network-exposed `DVRSearch` service and the `Network.cgi` endpoint. int __fastcall CNetSetObj::m_F_n_Set_Gate_way(const char **this, char *gw, char *dev) { char s[324]; // [sp+4h] [bp-144h] BYREF if ( !dev && !*this || !gw ) return 0; system("/sbin/route del -net 224.0.0.0 netmask 224.0.0.0"); system("/sbin/route del default "); if ( dev ) sprintf(s, "/sbin/route add default gw %s dev %s", gw, dev); //attacker controlled gw string else sprintf(s, "/sbin/route add default gw %s dev %s", gw, *this); //attacker controlled gw string system(s); sprintf(s, "/sbin/route add -net 224.0.0.0 netmask 224.0.0.0 gw %s dev %s", gw, *this); //attacker controlled gw string system(s); return 1; }
Who exploits it and how urgent it is
A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.
How the score was calculated
- EPSS 2.7% (30-day exploitation probability)+13
- Technical severity (critical)+10
The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.
CISA SSVC assessment CISA
Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.
Remediation
Fixes and mitigations documented by the sources — linked to the original advisory.
No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.
First 24 hours
Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.
- Identify exposed assets running the affected vendor/product/version combinations (Geovision GV-I/O Box 4E).
- No fix documented in the sources: reduce exposure and monitor the vendor advisory.
- Search available logs for exploit probes matching the vulnerability class (injection), errors and authentication anomalies.
Affected scope
Vendor, product and versions as the sources word them.
| Vendor | Product | Versions | Status | Source |
|---|---|---|---|---|
| Geovision | GV-I/O Box 4E | version V2.09 | Vulnerable | CVE Program (cve.org) e CISA ADP |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Every base score collected
Sources score independently and may disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Scored by |
|---|---|---|---|---|---|
| 9.1 | CVSS 3.1 | Critical | 2.3 | 6.0 | 0df08a0e-a200-4957-9bb0-084f562506f9 via NIST National Vulnerability Database |
| 9.1 | CVSS 3.1 | Critical | — | — | GV via CVE Program (cve.org) e CISA ADP |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H (score shown at the top: 0df08a0e-a200-4957-9bb0-084f562506f9) Weakness MITRE
Weakness class according to MITRE’s CWE catalog.
EPSS over time FIRST
Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 2.70%
Detection
Read off the CVSS vector and the weakness class. Starting points, not tested rules.
- Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
- Look for parameters with command/query metacharacters and unexpected child processes of the service.
Analysis and videos
CVE-2026-12850: GeoVision GV-I/O Box 4E OS Command Injection in libNetSetObj.so
GeoVision GV-I/O Box 4E 2.09 contains OS command injection flaws in the libNetSetObj.so library, where values received over the network are passed without sanitization into system calls. The record describes a gateway-address handler reachable through the DVRSearch service and the Network.cgi endpoint, and the CNA rates it critical with a CVSS 3.1 base score of 9.1. No confirmed exploitation appears in the sources consulted, and the record lists no fixed version.
Timeline
What happened to this CVE, newest first.
- 2026
- Affected products added · geovision inc./gv-i/o box 4e
- SSVC assessment updated
- Record published
- CVSS changed · 9.1
- Source status changed · → Deferred
- Record created in this database
- CVE published
Source activity
Repeated readings are counted rather than listed.
- 1× Official description updated · Oct 13, 2026 – Oct 13, 2026
References
2 on the record
Elsewhere on this site
Related CVEs (same products)
- Critical CVE-2026-12851 GeoVision GV-I/O Box 4E OS command injection in libNetSetObj.so Jun 24, 2026
- Critical CVE-2026-12846 GeoVision GV-I/O Box 4E: stack buffer overflow in DVRSearch service Jun 24, 2026
- Critical CVE-2026-12486 GeoVision GV-I/O Box 4E OS Command Injection in libNetSetObj.so Jun 24, 2026
- Critical CVE-2026-12849 GeoVision GV-I/O Box 4E OS Command Injection in libNetSetObj.so Jun 24, 2026
- Critical CVE-2026-12847 GV-I/O Box 4E DVRSearch Stack Buffer Overflow Jun 24, 2026
- Critical CVE-2026-12848 GV-I/O Box DVRSearch UDP Stack-Based Buffer Overflow (CVE-2026-12848) Jun 24, 2026
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No fixed version, patch or mitigation documented.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record
Text assembled only from the fields above — no additional claims.
What should defenders know first?
CVE-2026-12850 is "GeoVision GV-I/O Box 4E OS Command Injection in libNetSetObj.so", rated Critical. It affects GV-I/O Box 4E (Geovision); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 9.1 describes technical severity. EPSS 2.70% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.
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