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Public proof of concept

CVE-2025-61577

A public proof of concept exists; no exploitation attested.

  • Published2025-10-09
  • WeaknessCWE-121

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the statuscheckpppoeuser parameter in the dir_setWanWifi function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Timeline

dates in UTC
  1. 2025-10-0916:15CVE publishedNVD

Versions per branch

NVD
Dlink dir-816 firmwareversion to verify
BranchAffectedFixed in
1.10= 1.10cnb05no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2025-10-09
Last Modified
2026-11-05
NVD status
Analyzed
GitHub Advisory
GHSA-72cr-6q6w-frg8

Frequently asked questions

What is CVE-2025-61577?

D-Link DIR-816A2_FWv1.10CNB05 was discovered to contain a stack overflow via the statuscheckpppoeuser parameter in the dir_setWanWifi function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Is CVE-2025-61577 actively exploited?

A proof-of-concept exploit exists for CVE-2025-61577, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-61577?

CVE-2025-61577 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record