Skip to content
Fencer Vulns
medium 5.2

CVE-2023-29772 json

A Cross-site scripting (XSS) vulnerability in the System Log/General Log page of the administrator web UI in ASUS RT-AC51U wireless router…

published 2023-05-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33310

cvss
5.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
11.2%
EPSS 11.2% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

11.24% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.com https://gitlab.com/donnm/cves/-/blob/master/xss_rtac51u_syslog.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.2 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.2 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.2 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.