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CVE-2026-123178VulnerabilityPublished

Insufficient Input Validation Vulnerability

Source GCVE Database

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Authoritative record:CVE-2026-123178· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium : upgrade to v4.4.3.4 when convenient.

Data as of 10 Nov 2026, 19:05 UTC

CVSS 4.0 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (NETGEAR)CVSS 4.04.3
CNA (NETGEAR)CVSS 3.14.5
Patch
Available – fixed in v4.4.3.4
CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Upgrade RBR350 and RBS350 to v4.4.3.4.

Affected software

ProductAffectedFixed in
NETGEARRBR350Affected
  • <4.4.3.4
Fixed in
  • v4.4.3.4
NETGEARRBS350Affected
  • <4.4.3.4
Fixed in
  • v4.4.3.4

Description

An insufficient input validation vulnerability in the listed NETGEAR Orbi Models router allows an authenticated administrator connected to the local network to execute unauthorized commands and modify the router’s software and functionality, potentially compromising the integrity of the affected device.

References

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