PT-2026-21382 · Tenda · Tenda Ac21

Hhsw34 · Publicado 2026-02-08 · Atualizado 2026-02-22 · CVE-2026-2873

Positive Technologies (AI Summary)

CVSS v2.0

9.0

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Tenda A21 version 1.0.0.0

Description A stack-based buffer overflow exists in the setSchedWifi function of the /goform/openSchedWifi file. Manipulation of the schedStartTime and schedEndTime arguments can trigger this issue. The attack can be initiated remotely. The exploit is publicly available.

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

Exploit

Stack Overflow

Buffer Overflow

Enumeração de Fraquezas

CWE-121

CWE-119

Identificadores relacionados

BDU:2026-02144

CVE-2026-2873

Produtos afetados

Tenda Ac21

Referências · 13

• 🔥 https://github.com/QIU-DIE/cve-nneeww/issues/4 · Exploit
• https://bdu.fstec.ru/vul/2026-02144 · Nota de Segurança
• https://vuldb.com/?submit.754635 · Nota
• https://tenda.com.cn · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-2873 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-2873 · Aviso do Fabricante
• https://twitter.com/VulmonFeeds/status/2025262566876844466 · Publicação no Twitter
• https://t.me/CVEtracker/45387 · Publicação no Telegram
• https://twitter.com/CveFindCom/status/2025256914062320108 · Publicação no Twitter
• https://vuldb.com/?ctiid.347110 · Nota
• https://t.me/cveNotify/152728 · Publicação no Telegram
• https://vuldb.com/?id.347110 · Nota
• https://twitter.com/CVEnew/status/2025425462638641345 · Publicação no Twitter