CVE Intelligence
Medium Memory corruption

CVE-2026-62655 — A DoS vulnerability due to stack overflow exists in certain NETGEAR Orbi models

A security flaw was found in certain NETGEAR Orbi models that could allow an unauthorized user to cause the device to stop responding or restart unexpectedly, disrupting network connectivity and making the device temporarily unavailable.

Published Jul 14, 2026 · Updated Oct 15, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: NETGEAR

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • Technical severity (medium)+3

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.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
—
No EPSS score.
Affects
NETGEAR
RBE970 and 7 more
CVSS base
5.7
Medium · 2 source(s)

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.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component

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.

  1. Identify exposed assets running the affected vendor/product/version combinations (NETGEAR RBE970, NETGEAR RBE971, NETGEAR RBR860…).
  2. No fix documented in the sources: reduce exposure and monitor the vendor advisory.
  3. Search available logs for exploit probes matching the vulnerability class (memory corruption), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
NETGEAR RBE970 < V9.10.1.4 Vulnerable CVE Program (cve.org) e CISA ADP
NETGEAR RBE971 < V9.10.1.4 Vulnerable CVE Program (cve.org) e CISA ADP
NETGEAR RBR860 < V7.2.7.15 Vulnerable CVE Program (cve.org) e CISA ADP
NETGEAR RBRE950 < v7.2.7.15 Vulnerable CVE Program (cve.org) e CISA ADP
NETGEAR RBRE960 < V7.2.7.15 Vulnerable CVE Program (cve.org) e CISA ADP
NETGEAR RBS860 < V7.2.7.15 Vulnerable CVE Program (cve.org) e CISA ADP
NETGEAR RBSE950 < v7.2.7.15 Vulnerable CVE Program (cve.org) e CISA ADP
NETGEAR RBSE960 < V7.2.7.15 Vulnerable CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Adjacent
Attack complexity
Low
Attack requirements
None
Privileges required
None
User interaction
None
Scope
X
Confidentiality (vulnerable system)
None
Integrity (vulnerable system)
None
Availability (vulnerable system)
High
Confidentiality (subsequent)
None
Integrity (subsequent)
None
Availability (subsequent)
None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
5.7 CVSS 4.0 Medium — — a2826606-91e7-4eb6-899e-8484bd4575d5 via NIST National Vulnerability Database
5.7 CVSS 4.0 Medium — — NETGEAR via CVE Program (cve.org) e CISA ADP
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X (score shown at the top: a2826606-91e7-4eb6-899e-8484bd4575d5)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-121 · Stack-based Buffer Overflow

Other CVEs with this weakness →

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Correlate service crashes/restarts with inbound traffic; repeated crashes may indicate attempts.
endpoint telemetry (EDR)crash dumps

Timeline

What happened to this CVE, newest first.

  • 2026
  • Affected products added · netgear/rbr860, netgear/rbre950, netgear/rbre960, netgear/rbe970, netgear/rbe971, netgear/rbs860, netgear/rbse950, netge
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • SSVC assessment updated
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 15, 2026
  • CVSS changed · 5.7
    Oct 15, 2026 · NIST National Vulnerability Database
  • Source status changed · → Deferred
    Oct 15, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 15, 2026 · NIST National Vulnerability Database
  • CVE published
    Jul 14, 2026 · NETGEAR

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 15, 2026 – Oct 15, 2026

References

7 on the record

Elsewhere on this site

NETGEAR
every CVE for this vendor
Memory corruption
same class
CWE-121
other pages naming this weakness

Related CVEs (same products)

  • CVE-2026-3088 Unauthenticated users can disrupt router operation Jun 9, 2026
  • CVE-2026-0415 Insufficient input validation vulnerability in certain Orbi routers Jun 9, 2026
  • CVE-2026-0418 Certain NETGEAR devices allow administrators to tamper with system Jun 9, 2026
  • CVE-2026-0413 Buffer overflow vulnerability in certain NETGEAR Nighthawk routers Jun 9, 2026
  • CVE-2026-0411 A Sensitive Information Disclosure Vulnerability in NETGEAR Orbi Satellites Jun 9, 2026
  • CVE-2026-0414 Insufficient Input Validation Allows Unauthorized Modification of Router Software in certain NETGEAR Routers Jun 9, 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 FIRST EPSS score.
  • 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-2026-62655 is "A DoS vulnerability due to stack overflow exists in certain NETGEAR Orbi models", rated Medium. It affects RBE970 (NETGEAR); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 5.7 describes technical severity. 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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