HOMEVULNERABILITIESCVE-2026-6630
HIGH

CVE-2026-6630

CWE-119Published: April 20, 2026· Updated: Apr 22, 2026

8.8
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:14.3th

Official Description

A vulnerability was found in Tenda F451 1.0.0.7_cn_svn7958. This issue affects the function fromGstDhcpSetSer of the file /goform/GstDhcpSetSer of the component httpd. Performing a manipulation of the argument dips results in buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used.

NVD Source

Technical Analysis

CVE-2026-6630 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (5)

Quick Facts

CVE IDCVE-2026-6630
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
EPSS (30d)0.05%
PublishedApr 20, 2026

Related CVEs (CWE-119)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-6630 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.