Is CVE-2026-5981 in the CISA KEV catalog?

No. CVE-2026-5981 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-5981?

CVE-2026-5981 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2026-5981?

CVE-2026-5981 has an EPSS score of 0.71% (49th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-5981

HIGH

8.8

CVSS v3

NVD

Description

A vulnerability has been found in D-Link DIR-605L 2.13B01. This affects the function formAdvFirewall of the file /goform/formAdvFirewall of the component POST Request Handler. Such manipulation of the argument curTime leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CWE-119Buffer Overflow CWE-120

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.71%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-30.