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CVE-2023-33671

27
FAUCET Score

CVE-2023-33671 is a critical stack overflow vulnerability affecting Tenda AC8V4.0-V16.03.34.06 routers, specifically within the saveParentControlInfo function via the deviceId parameter. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, allowing for complete compromise of confidentiality, integrity, and availability. While highly severe, there is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
16.03.34.06CPE matchmatch criteria
cpe:2.3:o:tenda:ac8_firmware:16.03.34.06:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 39th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / DDizzzy79/Tenda-CVE/blob/main/AC8V4.0/N4/README.md
ExploitThird Party Advisory
github.com / DDizzzy79/Tenda-CVE/tree/main/AC8V4.0/N4