PT-2026-5232 · Totolink · Totolink A7000R

Xuanyu · Publicado 2026-01-15 · Atualizado 2026-02-09 · CVE-2026-1547

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Crítica

Vetor base

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 A7000R version 4.1cu.4154

Description A flaw exists in the setUnloadUserData function within the /cgi-bin/cstecgi.cgi file of the affected product. Manipulation of the plugin name argument can lead to command injection. This allows for remote attacks. The exploit is publicly available.

Recommendations Apply a software update that addresses the vulnerability in the setUnloadUserData function. As a temporary workaround, restrict access to the /cgi-bin/cstecgi.cgi file. Avoid using the plugin name parameter in the affected file until the issue is resolved.

Exploit

Correção

Command Injection

Special Elements Injection

Enumeração de Fraquezas

CWE-77

CWE-74

Identificadores relacionados

BDU:2026-00935

CVE-2026-1547

Produtos afetados

Totolink A7000R

Referências · 13

• 🔥 https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc · Exploit
• 🔥 https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-1547 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-1547 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2026-00935 · Nota de Segurança
• https://totolink.net · Nota
• https://vuldb.com/?id.343231 · Nota
• https://t.me/cveNotify/151443 · Publicação no Telegram
• https://twitter.com/VulmonFeeds/status/2016647916580937793 · Publicação no Twitter
• https://vuldb.com/?submit.739713 · Nota
• https://twitter.com/CVEnew/status/2016646184358858947 · Publicação no Twitter
• https://vuldb.com/?ctiid.343231 · Nota
• https://t.me/CVEtracker/43203 · Publicação no Telegram