CVE-2026-13538: A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parame
A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub_401D68 of the file /cgi-bin/wireless.cgi of the component POST Parameter Handler. This manipulation of the argument SSID2G2/SSID5G2/AuthMethod2/WPAPSK12 causes command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13538
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Moderate exploitation riskCVE-2026-135381.3% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 67% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13538 | coverage & exploitation status | NVD · CVE.org |
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