Medium severity · published Mar 8, 2026
CVE-2026-3716
Wavlink WL-WN579X3-C adm.cgi sub_401AD4 cross site scripting
4.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WL
WL-WN579X3-C · Wavlink
231124 · source: vendor
WF
Wl-wn579x3-c Firmware · Wavlink
231124 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3716
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3716
Broken Link
https://dl.wavlink.com/firmware/RD/WN579X3C_WAVLINK_V20260226_WO_cb3003b2.bin
Exploit
https://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_18/README.md
Permissions Required
https://vuldb.com/?ctiid.349661
Third Party Advisory
https://vuldb.com/?id.349661
Third Party Advisory
https://vuldb.com/?submit.765326
More from WL-WN579X3-C
8.8
CVE-2026-3715
Wavlink WL-WN579X3-C firewall.cgi sub_40139C stack-based overflow