PT-2025-17648 · Totolink · Totolink A800R

Published 2025-04-23 · Updated 2025-05-06 · CVE-2025-28019

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions TOTOLINK A800R version 4.1.2cu.5137 B20200730

Description A buffer overflow vulnerability was found in the downloadFile.cgi component. This issue affects the TOTOLINK A800R router.

Recommendations For version 4.1.2cu.5137 B20200730, as a temporary workaround, consider disabling the downloadFile.cgi component until a patch is available. Restrict access to the downloadFile.cgi component to minimize the risk of exploitation.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2025-10007

CVE-2025-28019

Affected Products

Totolink A800R

References · 9

• 🔥 https://locrian-lightning-dc7.notion.site/CVE-2025-28019-BufferOverflow1-1948e5e2b1a280ad96efca529ecae658 · Exploit
• 🔥 https://locrian-lightning-dc7.notion.site/BufferOverflow1-1948e5e2b1a280ad96efca529ecae658 · Exploit
• https://osv.dev/vulnerability/CVE-2025-28019 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-10007 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-28019 · Security Note
• https://twitter.com/CVEnew/status/1915091920445149269 · Twitter Post
• https://twitter.com/cracbot/status/1916809690090025214 · Twitter Post
• https://vuldb.com/?id.306019 · Note
• https://t.me/cvenotify/121114 · Telegram Post