PT-2026-22522 · Tenda · Tenda F453

Ltzhust2 · Published 2026-03-01 · Updated 2026-03-06 · CVE-2026-3398

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 F453 version 1.0.0.3

Description A buffer overflow issue exists in the httpd component of the Tenda F453. The issue is located in the fromAdvSetWan function within the /goform/AdvSetWan file. Manipulation of the wanmode/PPPOEPassword argument can trigger the overflow. The exploit has been publicly disclosed.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the /goform/AdvSetWan file.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

CWE-119

Related Identifiers

BDU:2026-02555

CVE-2026-3398

Affected Products

Tenda F453

References · 16

• 🔥 https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3398 · Security Note
• https://osv.dev/vulnerability/CVE-2026-3398 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02555 · Security Note
• https://twitter.com/VulmonFeeds/status/2028238031040172483 · Twitter Post
• https://vuldb.com/?submit.759630 · Note
• https://vuldb.com/?id.348293 · Note
• https://twitter.com/cracbot/status/2029874756275818920 · Twitter Post
• https://t.me/cveNotify/153678 · Telegram Post
• https://twitter.com/cracbot/status/2029512304631722134 · Twitter Post
• https://t.me/CVEtracker/46070 · Telegram Post
• https://tenda.com.cn · Note
• https://vuldb.com/?ctiid.348293 · Note
• https://twitter.com/CVEnew/status/2028241353193279495 · Twitter Post
• https://twitter.com/cyberbivash/status/2028279160695603406 · Twitter Post