CVE-2026-2565
Last modified
CVE-2026-2565 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. A weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
Description
A weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. This manipulation of the argument time_zone causes stack-based buffer overflow. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Metrics
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wavlink | Wl-Nu516u1 Firmware | <= 2025-12-08 |
References
- https://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/time_zone.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.346172Permissions Required, VDB Entry
- https://vuldb.com/?id.346172Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.751133Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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