CVE-2025-28021

TOTOLINK A810R V4.1.2cu.5182_B20201026 was found to contain a buffer overflow vulnerability in the downloadFile.cgi through the v14 and v3 parameters
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
mitreCNA
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CISA-ADPADP
7.3 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 31%
VendorProductVersion
totolinka810r_firmware
4.1.2cu.5182_b20201026:cu.5182_b20201026
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://locrian-lightning-dc7.notion.site/BufferOverflow1-1948e5e2b1a280e8aa5ad87964c5cd3d?pvs=73
https://locrian-lightning-dc7.notion.site/CVE-2025-28021-BufferOverflow1-1948e5e2b1a280e8aa5ad87964c5cd3d