CVE-2026-4166

Summary

A vulnerability was found in Wavlink WL-NU516U1 240425. The impacted element is the function sub_404F68 of the file /cgi-bin/login.cgi. The manipulation of the argument homepage/hostname results in cross site scripting. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

Affected Software

Weaknesses

• CWE-79: Cross Site Scripting
• CWE-94: Code Injection

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://vuldb.com/?id.351073
• https://vuldb.com/?ctiid.351073
• https://vuldb.com/?submit.769652
• https://vuldb.com/?submit.769653
• https://github.com/Litengzheng/vul_db/blob/main/WL-NU516U1/vul_14/README.md
• https://github.com/Litengzheng/vul_db/blob/main/WL-NU516U1/vul_15/README.md

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