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CVE-2026-3716

Wavlink WL-WN579X3-C adm.cgi sub_401AD4 cross site scripting

MEDIUM
4.8
CVSS Score
Published: March 8, 2026 at 07:02 AM UTC
Updated: June 17, 2026 at 10:44 AM UTC
2 products affected across 1 vendorWl WN579X3 C FirmwareWL-WN579X3

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Wl WN579X3 C Firmware· Wavlink
95%
231124
wavlink-wl-wn579x3-c (same device)
WL-WN579X3· Wavlink
60%
231124
Vendor states this is fixed in 20260226 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.349661
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.349661
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.765326
ExploitThird Party Advisory
Source: cverecord
https://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_18/README.md
PatchBroken Link
Source: cverecord
https://dl.wavlink.com/firmware/RD/WN579X3C_WAVLINK_V20260226_WO_cb3003b2.bin

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79CWE-94

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