PT-2025-17569 · Totolink · Totolink A830R

Published 2025-04-22 · Updated 2025-04-25 · CVE-2025-28035

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TOTOLINK A830R version 4.1.2cu.5182 B20201102

Description The issue is a pre-auth remote command execution vulnerability. It is located in the setNoticeCfg function and can be exploited through the NoticeUrl parameter.

Recommendations For TOTOLINK A830R version 4.1.2cu.5182 B20201102, as a temporary workaround, consider disabling the setNoticeCfg function until a patch is available. Restrict access to the NoticeUrl parameter in the affected API endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2025-10700

BDU:2025-10701

CVE-2025-28035

Affected Products

Totolink A830R

References · 9

• 🔥 https://locrian-lightning-dc7.notion.site/CVE-2025-28035-CVE-2025-28036-RCE1-1a98e5e2b1a28081880dd817104b3af4 · Exploit
• 🔥 https://locrian-lightning-dc7.notion.site/RCE1-1a98e5e2b1a28081880dd817104b3af4?pvs=73 · Exploit
• https://osv.dev/vulnerability/CVE-2025-28035 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-10701 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-28035 · Security Note
• https://bdu.fstec.ru/vul/2025-10700 · Security Note
• https://twitter.com/cybercronai/status/1915265826732621974 · Twitter Post
• https://twitter.com/SecAideInfo/status/1915711193358229819 · Twitter Post
• https://twitter.com/CVEnew/status/1914738569731608778 · Twitter Post