HOMEVULNERABILITIESCVE-2026-3275
HIGH

CVE-2026-3275

CWE-119Published: February 27, 2026· Updated: Feb 27, 2026

8.8
CVSS v3.1
EPSS:0.08%probability of exploitation in 30 daysPercentile:22.7th

Official Description

A weakness has been identified in Tenda F453 1.0.0.3. This affects the function fromAddressNat of the file /goform/addressNat of the component httpd. Executing a manipulation of the argument entrys can lead to buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

NVD Source

Technical Analysis

CVE-2026-3275 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

Affected Vendors & Products

tenda2 products
f453 firmwaref453
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (5)

https://vuldb.com/?ctiid.347999Permissions Required · VDB Entry
https://vuldb.com/?id.347999Third Party Advisory · VDB Entry
https://vuldb.com/?submit.759622Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2026-3275
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
EPSS (30d)0.08%
Affected1 vendor
PublishedFeb 27, 2026

Related CVEs (CWE-119)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-3275 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.