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TI-2026-02153 Aliases CVE-2026-2527GHSA-wrqv-g27w-82rr

Wavlink WL-WN579A3 login.cgi 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 was determined in Wavlink WL-WN579A3 up to 20210219. Affected is an unknown function of the file /cgi-bin/login.cgi. Executing a manipulation of the argument key can lead to command injection. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. 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 0.09447 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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
WavlinkWL-WN579A320210219—No fix listedCNA
  • WL-WN579A3 VendorWavlink Affected 20210219 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:*up to 2021-02-19VulnerableWavlink
cpe:2.3:h:wavlink:wl-wn579a3:-:*:*:*:*:*:*:*not specified by NVDRunning onWavlink
  • cpe:2.3:o:wavlink:wl-wn579a3_firmware:*:*:*:*:*:*:*:* Versions up to 2021-02-19 Vulnerable ·Wavlink
  • cpe:2.3:h:wavlink:wl-wn579a3:-:*:*:*:*:*:*:* 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-2026-2527
  2. 2026-10-03 Alias added: GHSA-wrqv-g27w-82rr
  3. 2026-10-09 EPSS moved to the 95th–99th percentile

References

Exploit 1

  • TI-2026-02156 Wavlink WL-WN579A3 wireless.cgi AddMac command injection CVSS 4.0MEDIUM 5.3
  • TI-2026-02155 Wavlink WL-WN579A3 wireless.cgi DeleteMac command injection CVSS 4.0MEDIUM 5.3
  • TI-2026-02154 Wavlink WL-WN579A3 wireless.cgi Delete_Mac_list command injection CVSS 4.0MEDIUM 5.3
  • TI-2026-02152 Wavlink WL-WN579A3 wireless.cgi multi_ssid command injection CVSS 4.0MEDIUM 5.3
  • TI-2025-28679 A command injection vulnerability in the component /cgi-bin/firewall.cgi of Wavlink… CVSS 3.1CRITICAL 9.8
  • TI-2025-28678 A command injection vulnerability in the component /cgi-bin/qos.cgi of Wavlink WL-WN579A3… CVSS 3.1CRITICAL 9.8
See all 7 →

Sources

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