CVE-2022-41140

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2023-01-26. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of multiple D-Link routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the lighttpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13796.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
61.9%
KEV
Not listed

Published

January 26, 2023

Last Modified

November 21, 2024

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-21 15:23 UTCEPSS rescore
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  1. 2026-06-30 23:20 UTCEPSS rescore
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  45. 2026-06-01 13:50 UTCEPSS rescore
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  47. 2026-05-31 22:29 UTCEPSS rescore
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  49. 2026-05-31 00:15 UTCEPSS rescore
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  51. 2026-05-29 13:43 UTCEPSS rescore
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  61. 2026-05-26 07:17 UTCEPSS rescore
  62. 2026-05-25 08:05 UTCEG score recompute
  63. 2026-05-25 08:05 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2022-41140?
CVE-2022-41140 is a high vulnerability published on January 26, 2023. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of multiple D-Link routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the lighttpd service, which listens on TCP port 80 by default. The issue…
When was CVE-2022-41140 disclosed?
CVE-2022-41140 was first published in the National Vulnerability Database on January 26, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-41140 actively exploited?
CVE-2022-41140 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 61.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-41140?
CVE-2022-41140 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2022-41140?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-41140, 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.

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