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CVE-2026-4552

30
FAUCET Score

CVE-2026-4552 describes a high-severity stack-based buffer overflow vulnerability affecting Tenda F453 1.0.0.3 firmware and devices. This flaw exists in the fromVirtualSer function of the /goform/VirtualSer component, triggered by manipulating the 'page' argument. Rated with a CVSS score of 8.8 (High), it allows a remote attacker with low privileges to achieve high impact on confidentiality, integrity, and availability without user interaction. While not currently on the CISA KEV catalog, the exploit has been publicly disclosed and may be utilized, despite no specific exploit frameworks being identified, and has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0.3CPE matchmatch criteria
cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

7.4HIGH

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
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 37th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / Litengzheng/vul_db/blob/main/F453/vul_87/README.md
ExploitThird Party Advisory
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
tenda.com.cn
Product