PT-2026-6986 · Tenda · Tenda Ac8

Sunnyyaya · Published 2026-02-08 · Updated 2026-02-09 · CVE-2026-2203

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Tenda AC8 version 16.03.33.05

Description A buffer overflow issue exists in the Embedded Httpd Service component of Tenda AC8. The flaw is located in the file '/goform/fast setting wifi set' and is triggered by manipulating the timeZone argument. Remote exploitation is possible. The exploit has been published.

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-119

CWE-120

Related Identifiers

CVE-2026-2203

Affected Products

Tenda Ac8

References · 13

• 🔥 https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md#poc · Exploit
• 🔥 https://github.com/SunnyYANGyaya/cuicuishark-sheep-fishIOT/blob/main/Tenda/AC8/fastsettingwifiset-timezome.md · Exploit
• https://osv.dev/vulnerability/CVE-2026-2203 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2203 · Security Note
• https://vuldb.com/?id.344906 · Note
• https://vuldb.com/?ctiid.344906 · Note
• https://tenda.com.cn · Note
• https://t.me/CVEtracker/44151 · Telegram Post
• https://vuldb.com/?submit.750226 · Note
• https://twitter.com/CveFindCom/status/2020757436752134352 · Twitter Post
• https://twitter.com/offseq/status/2020716849336320459 · Twitter Post
• https://t.me/cveNotify/151348 · Telegram Post
• https://twitter.com/vuldb/status/2020424507673190816 · Twitter Post