Signal is active with 3 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argument Content-Length causes stack-based buffer overflow. The attack can be initiated remotely. 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.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 2 products
CVE-2026-4861 A weakness has been identified in Wavlink WL-NU516U1 260227. This vulnerability affects the function ftext of the file /cgi-bin/nas.cgi. This manipulation of the argume… https://www.cve.org/CVERecord?id=CVE-2026-4861
Post summary
A brief disclosure that CVE-2026-4861 is a weakness in the Wavlink WL-NU516U1 device affecting function ftext, with no PoC, exploit, patch, or exploitation claim provided.
🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-4861 - Wavlink WL-NU516U1 nas.cgi ftext stack-based overflow Intel Report: https://ift.tt/BvTCHXA
Post summary
An alert announces CVE-2026-4861, a stack-based overflow in Wavlink WL-NU516U1 nas.cgi ftext, and provides a link to an Intel report.
[CVE-2026-4861: HIGH] Vulnerability found in Wavlink WL-NU516U1 260227's ftext function, allowing remote exploitation via stack-based buffer overflow triggered by Content-Length argument manipulation.#cve,CVE-2026-4861,#cybersecurity https://cvefind.com/CVE-2026-4861
Post summary
The post reveals CVE‑2026‑4861, a high‑severity stack buffer overflow in Wavlink WL‑NU516U1’s ftext function triggered by a rogue Content‑Length header, but it does not provide PoC, exploit code, active usage, patches, or any false‑positive claim.
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| HW | wavlink | wl-nu516u1 | - | - | - |
| OS | wavlink | wl-nu516u1_firmware | m16u1_v260227 | - | - |