Home/CVE/A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of t
CVE

CVE-2025-11327

A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of t

A security vulnerability has been detected in Tenda AC18 15.03.05.19(6318). This vulnerability affects unknown code of the file /goform/SetUpnpCfg. The manipulation of the argument upnpEn leads to stack-based buffer overflow.

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

HIGH · CVSS 8.8 EPSS 0.0027
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 ac18 firmwareall versions
⚠

Public Exploits & PoCs

1
pocgithub.com · SetUpnpCfg.mdgithub.com
◈

Detection Rules (IDS/IPS)

1
et-openET WEB_SPECIFIC_APPS Tenda SetUpnpCfg upnpEn Parameter Buffer Overflow Attempt (CVE-2025-11327)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 NVD06 Oct 2025 · 08:15 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.327210Permissions RequiredVDB Entry
https://vuldb.com/?id.327210Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.664532Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/Product
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