PT-2026-20358 · Totolink · Totolink A3002Ru

0Xmania · Publicado 2026-02-17 · Atualizado 2026-03-16 · CVE-2026-26732

Positive Technologies (AI Summary)

CVSS v3.1

8.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions TOTOLINK A3002RU version 2.1.1-B20211108.1455

Description The TOTOLINK A3002RU router firmware contains a stack-based buffer overflow. The issue is located in the formFilter function and is triggered through the vpnUser and vpnPassword parameters.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, avoid using the vpnUser and vpnPassword parameters.

Exploit

Correção

Stack Overflow

Memory Corruption

Enumeração de Fraquezas

CWE-121

CWE-787

Identificadores relacionados

CVE-2026-26732

Produtos afetados

Totolink A3002Ru

Referências · 8

• 🔥 https://github.com/0xmania/cve/tree/main/TOTOLINK-A3002RU-boa-formFilter-StackOverflow · Exploit
• https://t.me/cveNotify/152577 · Publicação no Telegram
• https://twitter.com/VulmonFeeds/status/2023859535761309752 · Publicação no Twitter
• https://t.me/cveNotify/155116 · Publicação no Telegram
• https://t.me/CVEtracker/44898 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2026-26732 · Nota de Segurança
• https://twitter.com/DavidMarquet19/status/2033453252365185071 · Publicação no Twitter
• https://osv.dev/vulnerability/CVE-2026-26732 · Aviso do Fabricante