9

CVE-2026-3715

Exploit

Wavlink WL-WN579X3-C firewall.cgi sub_40139C stack-based overflow

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Wavlink ≫ Wl-wn579x3-c Firmware Version231124
   Wavlink ≫ Wl-wn579x3-c Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.66% 0.464
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cna@vuldb.com 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
cna@vuldb.com 7.4 0 0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
cna@vuldb.com 9 8 10
AV:N/AC:L/Au:S/C:C/I:C/A:C
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

CWE-121 Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

https://vuldb.com/?id.349660
Third Party Advisory
VDB Entry
https://vuldb.com/?ctiid.349660
VDB Entry
Permissions Required
https://vuldb.com/?submit.765325
Third Party Advisory
VDB Entry
https://github.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_17/README.md
Third Party Advisory
Exploit
https://dl.wavlink.com/firmware/RD/WN579X3C_WAVLINK_V20260226_WO_cb3003b2.bin
Broken Link