PT-2026-5348 · Totolink · Totolink A7000R

Xuanyu · Publicado 2026-01-29 · Atualizado 2026-02-10 · CVE-2026-1623

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Totolink A7000R version 4.1cu.4154

Description A flaw exists in the Totolink A7000R device. The setUpgradeFW function within the /cgi-bin/cstecgi.cgi file is susceptible to command injection through manipulation of the FileName argument. This issue can be exploited remotely. The exploit code has been publicly released, potentially increasing the risk of attacks.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Special Elements Injection

Enumeração de Fraquezas

CWE-77

CWE-74

Identificadores relacionados

CVE-2026-1623

Produtos afetados

Totolink A7000R

Referências · 11

• 🔥 https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md · Exploit
• 🔥 https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md#poc · Exploit
• https://t.me/cveNotify/151563 · Publicação no Telegram
• https://vuldb.com/?ctiid.343382 · Nota
• https://twitter.com/VulmonFeeds/status/2017103769536712809 · Publicação no Twitter
• https://vuldb.com/?submit.740767 · Nota
• https://osv.dev/vulnerability/CVE-2026-1623 · Aviso do Fabricante
• https://twitter.com/CVEnew/status/2016978390285173240 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-1623 · Nota de Segurança
• https://totolink.net · Nota
• https://vuldb.com/?id.343382 · Nota