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Medium 6.6Published Feb 16, 2026

CVE-2026-2565A weakness has been identified in Wavlink WL-NU516U1 20251208.

Updated under an hour ago ()

Does this affect you?

It affects wavlink wl-nu516u1_firmware. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A weakness has been identified in Wavlink WL-NU516U1 20251208. Affected by this issue is the function sub_40785C of the file /cgi-bin/adm.cgi. This manipulation of the argument time_zone causes stack-based buffer overflow. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitation is known to be difficult. 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.

CVSS
6.6 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-119, CWE-121
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 17, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
wavlink wl-nu516u1_firmware
wavlink:wl-nu516u1_firmware
through 2025-12-08
NVD

References

  • exploit, third-party-advisory
  • permissions-required, vdb-entry
  • third-party-advisory, vdb-entry
  • third-party-advisory, vdb-entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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