CVE-2023-31889

MEDIUMNVD 5.55.5—

5.5

An issue discovered in httpd in ASUS RT-AC51U with firmware version up to and including 3.0.0.4.380.8591 allows local attackers to cause a denial of service via crafted GET request.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 19.3%
KEV: Not listed

Published

April 29, 2024

Last Modified

April 15, 2026

References (2)

cve@mitrehttps://gitlab.com/donnm/cves/-/blob/master/dos_rtac51u_httpd.md
af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/donnm/cves/-/blob/master/dos_rtac51u_httpd.md

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-31889?

CVE-2023-31889 is a medium vulnerability published on April 29, 2024. An issue discovered in httpd in ASUS RT-AC51U with firmware version up to and including 3.0.0.4.380.8591 allows local attackers to cause a denial of service via crafted GET request.

When was CVE-2023-31889 disclosed?

CVE-2023-31889 was first published in the National Vulnerability Database on April 29, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-31889 actively exploited?

CVE-2023-31889 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-31889?

CVE-2023-31889 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2023-31889?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31889, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-31889

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-31889?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)