Cross Site Scripting Vulnerability in Wavlink WL-WN579X3-C
CVE-2026-3716

4.8MEDIUM

Key Information:

Vendor

Wavlink

Status
Wl-wn579x3-c
Vendor
CVE Published:
8 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3716?

The Wavlink WL-WN579X3-C product contains a cross site scripting vulnerability in the sub_401AD4 function within the /cgi-bin/adm.cgi file. By manipulating the Hostname argument, attackers can exploit this flaw to execute scripts remotely. This vulnerability has been made public and is actively being utilized in the wild. To address this security issue, users are encouraged to upgrade to version 20260226, which effectively resolves the vulnerability. The vendor has shown responsiveness by releasing a fixed version, ensuring the continued security of their product.

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Deploy the Patch

Affected Version(s)

WL-WN579X3-C 231124

WL-WN579X3-C 20260226

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3716 - Proof of Concept

References

https://vuldb.com/?id.349661
vdb-entrytechnical-description
https://vuldb.com/?ctiid.349661
signaturepermissions-required
https://vuldb.com/?submit.765326
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LtzHuster (VulDB User)
VulDB
JSON
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