PT-2026-22596 · Tenda · Tenda W20E

Akuma-Qaq · Published 2026-03-02 · Updated 2026-03-07 · CVE-2026-24109

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda W20E version 4.0br V15.11.0.6

Description An issue exists in the Tenda W20E router firmware. Attackers can exploit this issue by controlling the picName variable. The picName value is used in the sprintf function without proper size validation, which can lead to a buffer overflow.

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

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2026-02497

CVE-2026-24109

Affected Products

Tenda W20E

References · 12

• 🔥 https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24109 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-24109 · Security Note
• https://bdu.fstec.ru/vul/2026-02497 · Security Note
• https://osv.dev/vulnerability/CVE-2026-24109 · Vendor Advisory
• https://twitter.com/infoflowcloud/status/2028502119746023555 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2028522286265893287 · Twitter Post
• https://t.me/cveNotify/153961 · Telegram Post
• https://tenda.com.cn/material/show/2707 · Note
• https://twitter.com/cracbot/status/2030237107256725530 · Twitter Post
• https://twitter.com/CVEnew/status/2028500220716216422 · Twitter Post
• https://twitter.com/cracbot/status/2029512351662444938 · Twitter Post
• https://twitter.com/cracbot/status/2029874808318742969 · Twitter Post