VulnSocial

CVE-2026-3661Disclosure(wavlink / wl-nu516u1)

LOWCVSS 7.2 · HIGH

Signal is active with 3 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 flaw has been found in Wavlink WL-NU516U1 240425. This affects the function ota_new_upgrade of the file /cgi-bin/adm.cgi. This manipulation of the argument model causes command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

wavlink CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-74CWE-77

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

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

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 3 classified signals
  • 3 total mentions across 1 day

Affected systems

Vendors
wavlink
Products
wl-nu516u1wl-nu516u1_firmware

2 versions affected across 2 products

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-07: 3Technical Details · 2026-03-07: 203-07
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-3661 A flaw has been found in Wavlink WL-NU516U1 240425. This affects the function ota_new_upgrade of the file /cgi-bin/adm.cgi. This manipulation of the argument model caus… https://www.cve.org/CVERecord?id=CVE-2026-3661

    Post summary

    The post reports a new CVE (CVE-2026‑3661) affecting the ota_new_upgrade function of a Wavlink router, but it does not provide a PoC, exploit details, patch information, or evidence of active exploitation.

    00000114
    56.6K followersView on X
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-3661 - Wavlink WL-NU516U1 adm.cgi ota_new_upgrade command injection Intel Report: https://ift.tt/d46qok5

    Post summary

    An alert reports a command injection vulnerability (CVE‑2026‑3661) in the Wavlink WL‑NU516U1 device, providing technical details but no proof‑of‑concept, exploit code, or patch information.

    0000034
    344 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-3661 Command Injection Vulnerability in Wavlink WL-NU516U1 Router via OTA Upgrade Function https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-3661

    Post summary

    The text announces a newly disclosed command injection vulnerability (CVE-2026-3661) affecting a Wavlink router's OTA upgrade function.

    0000042
    4.0K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
HWwavlinkwl-nu516u1---
OSwavlinkwl-nu516u1_firmwarem16u1_v240425--

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