Home/CVE/A vulnerability has been found in Tenda AC7 15.03.06.44 and classified as critical. This vulnerability affects the funct
CVE

CVE-2025-5861

A vulnerability has been found in Tenda AC7 15.03.06.44 and classified as critical. This vulnerability affects the funct

A vulnerability has been found in Tenda AC7 15.03.06.44 and classified as critical. This vulnerability affects the function fromadvsetlanip of the file /goform/AdvSetLanip. The manipulation of the argument lanMask leads to buffer overflow.

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

HIGH · CVSS 8.8 EPSS 0.01146
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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
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Affected Products & Versions

1
tenda ac7 firmwareall versions
⚠

Public Exploits & PoCs

2
poclavender-bicycle-a5a.notion.site · Tenda-AC7-fromadvsetlanip-20a53a41781f80038f4fc4b9d927eb9...lavender-bicycle-a5a.notion.site
poclavender-bicycle-a5a.notion.site · Tenda-AC7-fromadvsetlanip-20a53a41781f80038f4fc4b9d927eb9alavender-bicycle-a5a.notion.site
◈

Detection Rules (IDS/IPS)

1
et-openET WEB_SPECIFIC_APPS Tenda AdvSetLanip lanMask Parameter Buffer Overflow Attempt (CVE-2025-5861, CVE-2025-15218)web-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

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 · 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
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.311620Permissions Required
https://vuldb.com/?id.311620Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.591960Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product
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