PT-2026-27016 · Tenda · Tenda Ac15

942384053 · Published 2026-03-22 · Updated 2026-06-02 · CVE-2026-4567

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda A15 version 15.13.07.13

Description A stack-based buffer overflow exists in the UploadCfg function of the /cgi-bin/UploadCfg file. The issue is triggered by manipulating the File argument. This allows for remote exploitation. The exploit has been publicly disclosed and may be used to take over the router.

Recommendations Update Tenda A15 version 15.13.07.13 to a newer version that contains a fix for this vulnerability.

Exploit

Fix

RCE

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

BDU:2026-03440

CVE-2026-4567

Affected Products

Tenda Ac15

References · 20

• 🔥❌ https://github.com/user-attachments/files/25824036/Tenda.A15.V15.13.07.13.Unauthenticated.Stack-based.Buffer.Overflow.in._cgi-bin_UploadCfg.zip · Exploit, Deleted
• 🔥 https://github.com/942384053/cve/issues/3 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4567 · Security Note
• https://bdu.fstec.ru/vul/2026-03440 · Security Note
• https://twitter.com/CVEarity/status/2036451480883085617 · Twitter Post
• https://twitter.com/vuldb/status/2035643939781505166 · Twitter Post
• https://twitter.com/OrizonCyber/status/2035921995393646645 · Twitter Post
• https://twitter.com/cyberbivash/status/2035939145009238226 · Twitter Post
• https://twitter.com/0dayPublishing/status/2035905415116992759 · Twitter Post
• https://twitter.com/ctiwatchcloud/status/2036050328529899642 · Twitter Post
• https://twitter.com/CVEnew/status/2035992487303463298 · Twitter Post
• https://reddit.com/r/CodeyLab/comments/1tuhzy2/daily_dev_security_update_20260602 · Reddit Post
• https://twitter.com/zench4n/status/2037912340348498343 · Twitter Post
• https://vuldb.com/?id.352404 · Note
• https://vuldb.com/?ctiid.352404 · Note