CVE-2017-18758 — Certain NETGEAR devices are affected by a stack-based buffer overflow by an auth

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.

01What is this vulnerability?

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6700v2 before 1.1.0.42, R6800 before 1.1.0.42, and R6900v2 before 1.1.0.42.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-04-22T16:04:53.000Z
• Last modified: 2024-08-05T21:37:43.353Z

09References

• kb.netgear.com — https://kb.netgear.com/000051487/Security-Advisory-for-Post-Authentication-Stack…