CVE-2026-3613Disclosure(wavlink / wl-nu516u1)

LOWCVSS 7.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the file /cgi-bin/login.cgi. Such manipulation of the argument ipaddr leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

wavlink CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Exploit / PoC references

https://github.com/Wlz1112/WAVLINK-NU516-V240425/blob/main/ipaddr_Stack%20Buffer%20Overflow.md

Vendor / third-party advisories

Other references

https://vuldb.com/?ctiid.349221

Weakness type (CWE)

CWE-119CWE-121

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

wl-nu516u1
wl-nu516u1_firmware

Threat summary

4 mentions across 3 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 3 classified signals
General: 1 classified signal
Peaked 2d ago at 2 mentions (2026-03-06); latest day: 1
4 total mentions across 3 days

Affected systems

Vendors

wavlink

Products

wl-nu516u1wl-nu516u1_firmware

2 versions affected across 2 products

Deep dive

Activity timeline4 mentions / 3d

Signal classification2 categories

Disclosure

375.0%

General

125.0%

Referenced assets4 URLs

By indicator

Classification over time

Date	Total	Labels

2026-03-06	2	Disclosure1General1
2026-03-07	1	Disclosure1
2026-03-11	1	Disclosure1

Full discourse4 posts

CRAC Learning - Tech@cracbot211d
Disclosure
CVE-2026-3613 (CVSS:7.3, HIGH) is Analyzed. A vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the ..https://nvd.nist.gov/vuln/detail/CVE-2026-3613 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
The tweet announces CVE-2026-3613, providing its CVSS rating, affected device model, and function, while directing readers to the NVD for more details.
0000012
172 followersView on X
RedPacket Security@RedPacketSec216d
Disclosure
CVE Alert: CVE-2026-3613 - Wavlink - WL-NU516U1 - https://www.redpacketsecurity.com/cve-alert-cve-2026-3613-wavlink-wl-nu516u1/ #OSINT #ThreatIntel #CyberSecurity #cve-2026-3613 #wavlink #wl-nu516u1
Post summary
The tweet shares a link to a CVE alert for CVE-2026-3613 on a Wavlink device, but no further vulnerability details or exploit information are provided.
0000070
3.5K followersView on X
CVE@CVEnew216d
General
CVE-2026-3613 A vulnerability was identified in Wavlink WL-NU516U1 V240425. This vulnerability affects the function sub_401A0C of the file /cgi-bin/login.cgi. Such manipulation of th… https://www.cve.org/CVERecord?id=CVE-2026-3613
Post summary
The post identifies CVE‑2026‑3613 in a Wavlink device, noting the affected function and file, but provides no additional details on exploitation or mitigation.
00000132
56.6K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds216d
Disclosure
CVE-2026-3613 Wavlink WL-NU516U1 Remote Stack-Based Buffer Overflow in Login CGI https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-3613
Post summary
A stack-based buffer overflow vulnerability has been disclosed for the Wavlink WL-NU516U1; technical details are provided but no PoC, exploit, or patch information is included.
0000049
4.0K followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
HW	wavlink	wl-nu516u1	-	-	-
OS	wavlink	wl-nu516u1_firmware	m16u1_v240425	-	-

Explore more

Back to dashboard wavlink CVEs wl-nu516u1 vulnerabilities

What researchers are saying

CVE-2026-3613

CRAC Learning - Tech@cracbotDisclosure

The tweet announces CVE-2026-3613, providing its CVSS rating, affected device model, and function, while directing readers to the NVD for more details.

RedPacket Security@RedPacketSecDisclosure

The tweet shares a link to a CVE alert for CVE-2026-3613 on a Wavlink device, but no further vulnerability details or exploit information are provided.

CVE@CVEnewGeneral

The post identifies CVE‑2026‑3613 in a Wavlink device, noting the affected function and file, but provides no additional details on exploitation or mitigation.

Vulmon Vulnerability Feed@VulmonFeedsDisclosure

A stack-based buffer overflow vulnerability has been disclosed for the Wavlink WL-NU516U1; technical details are provided but no PoC, exploit, or patch information is included.