PT-2025-10131 · Totolink · Totolink Ex1800T

Kn0Sky + 1 · Published 2025-03-07 · Updated 2025-07-03 · CVE-2025-2097

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK EX1800T version 9.1.0cu.2112 B20220316

Description A critical issue has been found in TOTOLINK EX1800T, affecting the function setRptWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument loginpass leads to a stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Recommendations As a temporary workaround, consider disabling the setRptWizardCfg function until a patch is available. Restrict access to the /cgi-bin/cstecgi.cgi file to minimize the risk of exploitation. Avoid using the loginpass argument in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-787

CWE-121

CWE-119

Related Identifiers

BDU:2025-10549

CVE-2025-2097

Affected Products

Totolink Ex1800T

References · 16

• 🔥 https://github.com/kn0sky/cve/blob/main/TOTOLINK%20EX1800T/Stack-based%20Buffer%20Overflow%2001%20setRptWizardCfg-_loginpass.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-2097 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-2097 · Security Note
• https://bdu.fstec.ru/vul/2025-10549 · Security Note
• https://twitter.com/CVEnew/status/1898246338191499681 · Twitter Post
• https://vuldb.com/?submit.515326 · Note
• https://t.me/cvetracker/18717 · Telegram Post
• https://twitter.com/cybercronai/status/1898600007617458546 · Twitter Post
• https://totolink.net · Note
• https://twitter.com/VulmonFeeds/status/1898191491677184374 · Twitter Post
• https://vuldb.com/?id.298955 · Note
• https://t.me/latest_high_impact_cve/1936 · Telegram Post
• https://twitter.com/CveFindCom/status/1898147026375676174 · Twitter Post
• https://vuldb.com/?ctiid.298955 · Note
• https://t.me/cvedetector/19871 · Telegram Post