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

Q: How do I fix CVE-2023-29772?

rt-ac51u firmware: upgrade to newer than 3.0.0.4.380.8591. Exact commands for each OS are on this page.

Q: Is CVE-2023-29772 being exploited?

CVE-2023-29772 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-29772 affect?

CVE-2023-29772 affects rt-ac51u firmware. Severity is medium (CVSS 5.2). 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

Q: How urgent is CVE-2023-29772?

Priority 47/100. EPSS top 4%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.2UPGRADE

CVE-2023-29772 is a medium-severity flaw (CVSS 5.2) affecting rt-ac51u firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.2 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	11.2% (top 4%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: asus

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-02 13:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

asus rt-ac51u firmware UPGRADE

Affected: <= 3.0.0.4.380.8591

Fixed in: newer than 3.0.0.4.380.8591

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-29772?

rt-ac51u firmware: upgrade to newer than 3.0.0.4.380.8591. Exact commands for each OS are on this page.

Is CVE-2023-29772 being exploited?

CVE-2023-29772 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-29772 affect?

CVE-2023-29772 affects rt-ac51u firmware. Severity is medium (CVSS 5.2). 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

How urgent is CVE-2023-29772?

Priority 47/100. EPSS top 4%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2018-8826 CRITICAL 9.8 MITIGATE MITIGATE ASUS RT-AC51U, RT-AC58U, RT-AC66U, RT-AC1750, RT-ACRH13, and RT-N12 D1 routers with firmware before 3.0.0.4.38

References

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