CVE-2025-63459 ā€” Stack-based Buffer Overflow in A7000r Firmware

CWE-121 ā€” Stack-based Buffer Overflow3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 39.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Totolink A7000r Firmware
Timeline
PublishedOct 31

Description

Totolink A7000R v9.1.0u.6115_B20201022 was discovered to contain a stack overflow via the ssid5g parameter in the sub_421CF0 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

ā–¶NVDtotolink/a7000r_firmware9.1.0u.6115_b20201022

šŸ”“Vulnerability Details

2
GHSA
GHSA-pxjv-7jrp-fcxj: Totolink A7000R v9ā†—2025-10-31
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CVEList
CVE-2025-63459: Totolink A7000R v9ā†—2025-10-31
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CVE-2025-63459 ā€” Stack-based Buffer Overflow | cvebase