CVE-2023-29772 — A Cross-site scripting (XSS) vulnerability in the System Log/General Log page of

A Cross-site scripting (XSS) vulnerability in the System Log/General Log page of the administrator web UI in ASUS RT-AC51U wireless router firmware version up to and including 3.0.0.4.380.8591 allows remote attackers to inject arbitrary web script or HTML via a malicious network

01What is this vulnerability?

A Cross-site scripting (XSS) vulnerability in the System Log/General Log page of the administrator web UI in ASUS RT-AC51U wireless router firmware version up to and including 3.0.0.4.380.8591 allows remote attackers to inject arbitrary web script or HTML via a malicious network request.

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: 2023-05-02T00:00:00.000Z
• Last modified: 2025-01-30T16:41:35.062Z

09References

• gitlab.com — https://gitlab.com/donnm/cves/-/blob/master/xss_rtac51u_syslog.md