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
What is CVE-2026-2565?
How severe is CVE-2026-2565?
How do I fix CVE-2026-2565?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-25644DataHub is an open-source metadata platform. Prior to versio…7.5
- CVE-2026-25645Requests is a HTTP library. Prior to version 2.33.0, the `re…5.5
- CVE-2026-25646LIBPNG is a reference library for use in applications that r…8.1
- CVE-2026-25647Lute is a structured Markdown engine supporting Go and JavaS…5.4
- CVE-2026-25648Versions of the Traccar open-source GPS tracking system star…8.7
- CVE-2026-25649Versions of the Traccar open-source GPS tracking system up t…8.7
- CVE-2026-25650MCP Salesforce Connector is a Model Context Protocol (MCP) s…7.5
- CVE-2026-25651client-certificate-auth is middleware for Node.js implementi…6.1
- CVE-2026-25652is affected by an Incorrect Authorization vulnerability that…7.8
- CVE-2026-25654A vulnerability has been identified in SINEC NMS (All versio…8.8
- CVE-2026-25655A vulnerability has been identified in SINEC NMS (All versio…8.5
- CVE-2026-25656A vulnerability has been identified in SINEC NMS (All versio…8.5
Are you affected by CVE-2026-2565?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST