Home/CVE/A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown fu
CVE

CVE-2025-6887

A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown fu

A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. The manipulation of the argument time/timeZone leads to stack-based buffer overflow.

The attack may 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-fromSetSysTime_time-21d53a41781f8002bdb3fe8344d...lavender-bicycle-a5a.notion.site
poclavender-bicycle-a5a.notion.site · Tenda-AC5-fromSetSysTime_timeZone-21d53a41781f8021ae2fd2a...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.314366Permissions RequiredVDB Entry
https://vuldb.com/?id.314366Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.603788Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.603789Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product
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