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TI-2026-03949 Aliases CVE-2026-4544GHSA-jg8g-rwpf-2m3j

Wavlink WL-WN578W2 POST Request login.cgi cross site scripting

Priority MEDIUM 55CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting, Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

A vulnerability was determined in Wavlink WL-WN578W2 221110. This affects an unknown function of the file /cgi-bin/login.cgi of the component POST Request Handler. Executing a manipulation of the argument homepage/hostname/login_page can lead to cross site scripting. It is possible to launch the attack 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 0.0027 19th 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
WavlinkWL-WN578W2221110—No fix listedCNA
  • WL-WN578W2 VendorWavlink Affected 221110 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:wavlink:wl-wn578w2_firmware:221110:*:*:*:*:*:*:*221110VulnerableWavlink
cpe:2.3:h:wavlink:wl-wn578w2:-:*:*:*:*:*:*:*not specified by NVDRunning onWavlink
  • cpe:2.3:o:wavlink:wl-wn578w2_firmware:221110:*:*:*:*:*:*:* Versions 221110 Vulnerable ·Wavlink
  • cpe:2.3:h:wavlink:wl-wn578w2:-:*:*:*:*:*:*:* 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-2026-4544
  2. 2026-10-03 Alias added: GHSA-jg8g-rwpf-2m3j

References

Exploit 2

  • TI-2025-09498 Wavlink WL-WN578W2 wireless.cgi sub_404DBC os command injection CVSS 4.0MEDIUM 6.9
  • TI-2025-09497 Wavlink WL-WN578W2 wireless.cgi sub_404850 os command injection CVSS 4.0MEDIUM 6.9
  • TI-2025-09473 Wavlink WL-WN578W2 firewall.cgi sub_401C5C command injection CVSS 4.0MEDIUM 6.9
  • TI-2025-09472 Wavlink WL-WN578W2 wizard_rep.shtml sub_409184 command injection CVSS 4.0MEDIUM 6.9
  • TI-2025-09471 Wavlink WL-WN578W2 sysinit.html password recovery CVSS 4.0MEDIUM 6.9
  • TI-2025-09470 Wavlink WL-WN578W2 live_online.shtml information disclosure CVSS 4.0MEDIUM 6.9
See all 8 →

Sources

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