What’s Vulnerable › Vulnerabilities

CVE-2026-3716: Wavlink WL-WN579X3-C adm.cgi sub_401AD4 cross site scripting

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-08 · updated 2026-06-17
• Weakness: CWE-79

Description

A vulnerability was determined in Wavlink WL-WN579X3-C 231124. This vulnerability affects the function sub_401AD4 of the file /cgi-bin/adm.cgi. Executing a manipulation of the argument Hostname can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 20260226 is able to resolve this issue. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Affected products

• Wavlink WL-WN579X3-C: 231124

References

• https://dl.wavlink.com/firmware/RD/WN579X3C_WAVLINK_V20260226_WO_cb3003b2.bin
• https://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_18/README.md
• https://vuldb.com/?ctiid.349661
• https://vuldb.com/?id.349661
• https://vuldb.com/?submit.765326

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