CVE-2026-15513Disclosure

LOWCVSS 2.1 · LOW

Exploit discussion active in current signal (2 latest mentions)

Immediate actions

Patch affected systems immediately
Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

A security flaw has been discovered in Wavlink WL-NU516U1 260515. This affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lan_ip results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

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2.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-77CWE-78

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

NONE

Threat summary

Public PoC is present in monitored signal
Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Patch or workaround mentioned in 1 signal
Technical details provided in 2 signals
Disclosure: 1 classified signal
Exploit: 1 classified signal
2 total mentions across 1 day

Deep dive

Activity timeline2 mentions / 1d

Signal classification2 categories

Disclosure

150.0%

Exploit

150.0%

Referenced assets1 URL

By indicator

https://secn.ws/BTPToM

Full discourse2 posts

TECHEPAGES@techepages91d
Exploit
🚨 CVE-2026-15513: OS command injection in Wavlink WL-NU516U1 routers via adm.cgi — public exploit already available 🔹 Malicious lan_ip value gets stored unfiltered, then executed via a second request (stored injection) 🔹 Weak CSRF & Referer checks mean the attack can even launch from a malicious website 🔹 Compromised routers enable DNS hijacking, MITM attacks & lateral movement on the LAN 🔹 Patched firmware is out — update now, or replace if the device is EOL
Post summary
The post announces CVE‑2026‑15513, a command‑injection flaw in Wavlink routers; a public exploit exists, but patched firmware has been released.
0000048
19 followersView on X
SecNews@SecNews_GR91d
Disclosure
CVE-2026-15513: command injection στο Wavlink WL-NU516U1 μέσω adm.cgi https://secn.ws/BTPToM
Post summary
The tweet announces a command injection vulnerability (CVE‑2026‑15513) affecting Wavlink WL‑NU516U1 via adm.cgi, providing an external link for further details.
0000090
7.0K followersView on X

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