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CVE-2025-10963VulnerabilityPublished

CVE-2025-10963: Wavlink NU516U1 · Command Injection

Affects Wavlink NU516U1Source CVE Database V5

0

Not known to be exploited · CVSS 5.3 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
6.8% chance of exploitation in 30 days – higher than 93% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

AI-suggested

Organizations should immediately identify and inventory all Wavlink NU516U1 devices running firmware version M16U1_V240425. Until a vendor patch is available, mitigation should focus on network-level controls: restrict remote access to the router’s management interface by implementing IP whitelisting or VPN access only; disable remote management features if not required; monitor network traffic for unusual activity targeting /cgi-bin/firewall.cgi or suspicious command injection patterns; employ intrusion detection/prevention systems (IDS/IPS) with updated signatures to detect exploitation attempts; segment networks to limit the impact of a compromised router; and consider replacing vulnerable devices with models from vendors with active security support. Additionally, organizations should maintain rigorous backup and recovery procedures to restore network devices if compromised. Regularly check for vendor updates or community patches and apply them promptly once available.

Description

A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. Affected is the function sub_4016F0 of the file /cgi-bin/firewall.cgi. The manipulation of the argument del_flag results in command injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.

References

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