FKIE_CVE-2026-3715

Vulnerability from fkie_nvd - Published: 2026-03-08 07:16 - Updated: 2026-03-10 18:55
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A vulnerability was found in Wavlink WL-WN579X3-C 231124. This affects the function sub_40139C of the file /cgi-bin/firewall.cgi. Performing a manipulation of the argument del_flag results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. Upgrading to version 20260226 is able to mitigate this issue. 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.
References
cna@vuldb.comhttps://dl.wavlink.com/firmware/RD/WN579X3C_WAVLINK_V20260226_WO_cb3003b2.binBroken Link
cna@vuldb.comhttps://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_17/README.mdExploit, Third Party Advisory
cna@vuldb.comhttps://vuldb.com/?ctiid.349660Permissions Required, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.349660Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.765325Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
wavlink wl-wn579x3-c_firmware 231124
wavlink wl-wn579x3-c -
To clipboard 

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  "id": "CVE-2026-3715",
  "lastModified": "2026-03-10T18:55:03.883",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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