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TI-2025-10034 Aliases CVE-2025-10959GHSA-5rc4-jf69-p5ff

Wavlink NU516U1 firewall.cgi sub_401778 command injection

Priority MEDIUM 57CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.06556 93rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WavlinkNU516U1M16U1_V240425—No fix listedCNA
  • NU516U1 VendorWavlink Affected M16U1_V240425 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:wavlink:wl-nu516u1_firmware:m16u1_v240425:*:*:*:*:*:*:*m16u1_v240425VulnerableWavlink
cpe:2.3:h:wavlink:wl-nu516u1:-:*:*:*:*:*:*:*not specified by NVDRunning onWavlink
  • cpe:2.3:o:wavlink:wl-nu516u1_firmware:m16u1_v240425:*:*:*:*:*:*:* Versions m16u1_v240425 Vulnerable ·Wavlink
  • cpe:2.3:h:wavlink:wl-nu516u1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Wavlink

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-10959
  2. 2026-10-03 Alias added: GHSA-5rc4-jf69-p5ff

References

Exploit 2

  • TI-2026-03195 Wavlink NU516U1 login.cgi sub_401A10 out-of-bounds write CVSS 4.0CRITICAL 9.3
  • TI-2026-04241 Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2026-03117 Wavlink WL-NU516U1 login.cgi sub_401A0C stack-based overflow CVSS 4.0HIGH 8.6
  • TI-2026-03116 Wavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injection CVSS 4.0HIGH 8.6
  • TI-2026-02231 Wavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injection CVSS 4.0HIGH 8.6
  • TI-2026-02193 Wavlink WL-NU516U1 nas.cgi sub_401218 stack-based overflow CVSS 4.0HIGH 8.6
See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences