PT-2025-30147 · Totolink · Totolink T6

Reisen_1943 · Published 2025-07-17 · Updated 2025-07-21 · CVE-2025-7837

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015

Description A critical vulnerability exists in the MQTT Service component of the affected software. The recvSlaveStaInfo function is susceptible to a buffer overflow due to manipulation of the dest argument. This issue can be exploited remotely. The exploit code has been publicly disclosed.

Recommendations TOTOLINK T6 version 4.1.5cu.748 B20211015: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-119

CWE-120

Related Identifiers

BDU:2025-08856

CVE-2025-7837

Affected Products

Totolink T6

References · 16

• 🔥 https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md#poc · Exploit
• 🔥 https://github.com/AnduinBrian/Public/blob/main/Totolink%20T6/Vuln/4.md · Exploit
• https://osv.dev/vulnerability/CVE-2025-7837 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-7837 · Security Note
• https://bdu.fstec.ru/vul/2025-08856 · Security Note
• https://vuldb.com/?submit.617572 · Note
• https://t.me/cvetracker/28224 · Telegram Post
• https://vuldb.com/?ctiid.316940 · Note
• https://twitter.com/marcin_brz81183/status/1946621318935224392 · Twitter Post
• https://vuldb.com/?id.316940 · Note
• https://twitter.com/CveFindCom/status/1947299264717095311 · Twitter Post
• https://twitter.com/offseq/status/1946835058557338047 · Twitter Post
• https://twitter.com/CVEnew/status/1946619898882363547 · Twitter Post
• https://t.me/cvenotify/129561 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1946626339601056245 · Twitter Post