Home/CVE/A vulnerability, which was classified as critical, was found in Tenda AC6 15.03.05.16. This affects the function formSet
CVE

CVE-2025-5855

A vulnerability, which was classified as critical, was found in Tenda AC6 15.03.05.16. This affects the function formSet

A vulnerability, which was classified as critical, was found in Tenda AC6 15.03.05.16. This affects the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime leads to stack-based buffer overflow.

It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

HIGH · CVSS 8.8 EPSS 0.00931
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-121Stack-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

1
tenda ac6 firmwareall versions
⚠

Public Exploits & PoCs

1
poclavender-bicycle-a5a.notion.site · Tenda-AC6-formsetreboottimer-20a53a41781f80c5b6cac5100855...lavender-bicycle-a5a.notion.site
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Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cna@vuldb.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jun 2025 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.311601Permissions Required
https://vuldb.com/?id.311601Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.591422Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product
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