Home/CVE/A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an
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CVE-2025-6886

A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an

A vulnerability has been found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /goform/openSchedWifi. The manipulation of the argument schedStartTime/schedEndTime leads to stack-based buffer overflow.

The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

HIGH · CVSS 8.8 EPSS 0.01566
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
▤

Affected Products & Versions

1
tenda ac5 firmwareall versions
⚠

Public Exploits & PoCs

2
poclavender-bicycle-a5a.notion.site · Tenda-AC5-setSchedWifi_schedEndTime-21d53a41781f80fb8a90f...lavender-bicycle-a5a.notion.site
poclavender-bicycle-a5a.notion.site · Tenda-AC5-setSchedWifi_schedStartTime-21d53a41781f803f97e...lavender-bicycle-a5a.notion.site
▣

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 NVD30 Jun 2025 · 05:15 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
partial
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

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://vuldb.com/?ctiid.314365Permissions RequiredVDB Entry
https://vuldb.com/?id.314365Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.603774Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.603775Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product
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