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VulnerabilityPublished Updated

CVE-2022-37235: Out-of-bounds Write

Source CVE Database V5

0

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.2% chance of exploitation in 30 days – higher than 68% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Sep 2022

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

AI-suggested

Organizations should immediately identify any Netgear Nighthawk AC1900 R7000 routers running the vulnerable firmware version 1.0.11.134_10.2.119. Since no official patches are currently available, mitigation should focus on network-level controls: restrict remote access to router management interfaces by implementing firewall rules that limit access to trusted IP addresses; disable remote management features if not required; monitor network traffic for unusual activity indicative of exploitation attempts; and segment networks to isolate critical assets from potentially compromised devices. Additionally, organizations should consider replacing vulnerable routers with models that have received security updates or are known to be secure. Regularly checking for firmware updates from Netgear and applying them promptly once available is essential. Employing intrusion detection systems (IDS) with signatures for buffer overflow attempts targeting the 'wl' binary could provide early warning. Finally, educating IT staff about this vulnerability and ensuring incident response plans include scenarios involving router compromise will improve preparedness.

Description

Netgear Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router R7000-V1.0.11.134_10.2.119 is vulnerable to Buffer Overflow via the wl binary in firmware. There is a stack overflow vulnerability caused by strncat

References

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