CVE-2025-28027
HIGHTOTOLINK A830R, A950RG, A3000RU, A3100R - Stack-based Buffer Overflow in downloadFile.cgi
Title source: llmDescription
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 was found to contain a buffer overflow vulnerability in downloadFile.cgi.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://locrian-lightning-dc7.notion.site/BufferOverflow2-19e8e5e2b1a2806db38bea19abb4630a?pvs=73
Exploit, Third Party Advisory
https://locrian-lightning-dc7.notion.site/CVE-2025-28027-BufferOverflow2-19e8e5e2b1a2806db38bea19abb4630a
Scores
CVSS v3
7.3
EPSS
0.0032
EPSS Percentile
54.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-121
Status
published
Products (4)
totolink/a3000ru_firmware
5.9c.5185_b20201128
totolink/a3100r_firmware
4.1.2cu.5247_b20211129
totolink/a830r_firmware
4.1.2cu.5182_b20201102
totolink/a950rg_firmware
4.1.2cu.5161_b20200903
Published
Apr 22, 2025
Tracked Since
Feb 18, 2026