Description
Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the ssid5g parameter in the sub_4222E0 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
References (1)
Core 1
Core References
Exploit, Third Party Advisory
https://github.com/0-fool/VulnbyCola/blob/main/TOTOLINK/A7000/1/1.md
Scores
CVSS v3
7.5
EPSS
0.0040
EPSS Percentile
60.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Products (1)
totolink/a7000r_firmware
9.1.0u.6115_b20201022
Published
Oct 31, 2025
Tracked Since
Feb 18, 2026