Riskcovery

CVE-2026-13539

Wavlink WL-NU516U1-A POST Parameter wireless.cgi sub_407504 stack-based overflow

State
Published
Severity
8.7 High
Published
Jun 29, 2026
Updated
Jun 29, 2026
Reserved
Jun 28, 2026

Read the record on cve.org

Description

A vulnerability was identified in Wavlink WL-NU516U1-A M16U1_V240425. The impacted element is the function sub_407504 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. Such manipulation of the argument Guest_ssid leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:PVulDB
3.18.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:CVulDB
3.08.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:CVulDB
2.09.0 HighAV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
WL-NU516U1-AWavlink
  • M16U1_V240425Affected

References

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