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TI-2026-83581 Aliases CVE-2026-120196GHSA-fmc2-w58f-qqpv

OS command injection in WAVLINK WN579X3-D wapi.cgi port_forward

Priority HIGH 76CWE-77Published · 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
High · High · High
Fix status
No fix listed

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

Summary

WAVLINK WN579X3-D V250402 has an OS command injection flaw (CWE-78) in the port_forward function of /cgi-bin/wapi.cgi. Manipulating the Name argument lets a remote attacker inject operating system commands. The CVSS 4.0 base score is 9.4 (CRITICAL), and a public exploit exists and may be used. CISA SSVC rates exploitation as PoC, and the CVE is not in CISA KEV.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

A vulnerability was detected in WAVLINK WN579X3-D V250402. This affects the function port_forward of the file /cgi-bin/wapi.cgi. The manipulation of the argument Name results in os command injection. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01687 77th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by 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
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
WavlinkWN579X3-DV250402—No fix listedCNA
  • WN579X3-D VendorWavlink Affected V250402 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:wavlink:wn579x3-d:*:*:*:*:*:*:*:*——Wavlink
  • cpe:2.3:a:wavlink:wn579x3-d:*:*:*:*:*:*:*:* Versions — — ·Wavlink

Remediation

No fixed version is listed for WAVLINK WN579X3-D. The vendor was contacted early about this disclosure. Until a fix is available, restrict access to the device's web management interface.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Timeline

  1. 2026-11-01 Threatist record created from CVE-2026-120196
  2. 2026-11-01 Alias added: GHSA-fmc2-w58f-qqpv
  3. 2026-11-06 CISA SSVC decision points changed
  4. 2026-11-06 Priority changed: MEDIUM → HIGH

References

Exploit 1

  • TI-2022-02298 WAVLINK WN535K2/WN535K3 nightled.cgi os command injection CVSS 3.1CRITICAL 9.8
  • TI-2026-83752 OS command injection in WAVLINK WN551X3-A DNS resolution handler CVSS 4.0CRITICAL 10.0
  • TI-2026-83751 WAVLINK WN551X3-A WireGuard CLI Group ioos os command injection CVSS 4.0CRITICAL 10.0
  • TI-2026-83668 Stack-based overflow in WAVLINK WN536AX6-A OpenVPN handler CVSS 4.0CRITICAL 10.0
  • TI-2026-83667 OS command injection in WAVLINK WN536AX6-A WireGuard handler CVSS 4.0CRITICAL 10.0
  • TI-2026-83666 OS command injection in WAVLINK WN536AX6-A openvpn_cli handler CVSS 4.0CRITICAL 10.0
See all 248 →

Sources

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