CVE-2017-18846 — Certain NETGEAR devices are affected by a stack-based buffer overflow

Certain NETGEAR devices are affected by a stack-based buffer overflow. This affects R6250 before 1.0.4.12, R6400v2 before 1.0.2.32, R7000P/R6900P before 1.0.0.56, R7900 before 1.0.1.18, R8300 before 1.0.2.100_1.0.82, R8500 before 1.0.2.100_1.0.82, and D8500 before 1.0.3.29.

01What is this vulnerability?

Certain NETGEAR devices are affected by a stack-based buffer overflow. This affects R6250 before 1.0.4.12, R6400v2 before 1.0.2.32, R7000P/R6900P before 1.0.0.56, R7900 before 1.0.1.18, R8300 before 1.0.2.100_1.0.82, R8500 before 1.0.2.100_1.0.82, and D8500 before 1.0.3.29.

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: 2020-04-20T15:40:55.000Z
• Last modified: 2024-08-05T21:37:44.313Z

09References

• kb.netgear.com — https://kb.netgear.com/000049013/Security-Advisory-for-Stack-Overflow-on-Some-Ro…