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Public proof of concept

CVE-2025-10959

A public proof of concept exists; no exploitation attested.

  • Published2025-09-25
  • WeaknessCWE-74 · CWE-77

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

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. The affected element is the function sub_401778 of the file /cgi-bin/firewall.cgi. Such manipulation of the argument dmz_flag leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Timeline

dates in UTC
  1. 2025-09-2518:15CVE publishedNVD

Versions per branch

NVD
Wavlink wl-nu516u1 firmwareversion to verify
BranchAffectedFixed in
—= m16u1_v240425no fix published

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

Products declared by the CNA1 product

As VulDB, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Wavlink NU516U1
    Affected
    • = M16U1_V240425no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-09-25

Fix

No fix published by the sources we read yet. NVD record

Detection

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

Sources

  • CISA-ADPSSVC decisionpoc2025-09-25
  • CNACVSS 4.02.1known since 2026-10-23
  • CNACVSS 3.16.3known since 2026-10-23
  • NVDCVSS 3.18.8read 2026-10-23
  • CNACVSS 2.06.5known since 2026-10-23
  • CNAweakness (CWE)CWE-74, CWE-77known since 2026-10-23
  • FIRST EPSSEPSS score6.6 %2026-11-09
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-09-25
Last Modified
2026-10-11
NVD status
Analyzed
GitHub Advisory
GHSA-5rc4-jf69-p5ff

Frequently asked questions

What is CVE-2025-10959?

A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. The affected element is the function sub_401778 of the file /cgi-bin/firewall.cgi. Such manipulation of the argument dmz_flag leads to command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Is CVE-2025-10959 actively exploited?

A proof-of-concept exploit exists for CVE-2025-10959, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-10959?

CVE-2025-10959 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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