High severity8.8NVD Advisory· Published Feb 27, 2026· Updated Jun 17, 2026

CVE-2026-3275

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Tenda/F453 Firmwarev52 versions
cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*range: 1.0.0.3
- cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*
Tenda/F453llm-fuzzy
Range: 1.0.0.3

Patches

Vulnerability mechanics

References

github.com/Litengzheng/vul_db/blob/main/F453/vul_75/README.mdnvdExploitThird Party Advisory
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdThird Party AdvisoryVDB Entry
vuldb.comnvdPermissions RequiredVDB Entry
www.tenda.com.cnnvdProduct

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

8.8/ 10

CVSS v47.4

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

Probability of exploitation in the next 30 days.

0.77%

VYPR risk score

Composite of severity, exploitation, and reach.

0.57high

cvss	0.572
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE ID

CVE-2026-3275

Credits

L(
LtzHust2 (VulDB User)
reporter