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CVE-2022-31446

40
FAUCET Score

CVE-2022-31446 is a critical remote code execution (RCE) vulnerability affecting Tenda AC18 routers running firmware versions V15.03.05.19 and V15.03.05.05, specifically through the 'Mac' parameter in the ip/goform/WriteFacMac endpoint. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating it can be exploited remotely without authentication or user interaction, leading to complete compromise of confidentiality, integrity, and availability. While its EPSS score is low, suggesting a lower probability of exploitation compared to most CVEs, there is currently no public exploit code available, nor is it listed on the CISA KEV catalog. Community discussion and media coverage for this vulnerability are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
15.03.05.05CPE matchmatch criteria
cpe:2.3:o:tendacn:ac18_firmware:15.03.05.05:*:*:*:*:*:*:*
15.03.05.19CPE matchmatch criteria
cpe:2.3:o:tendacn:ac18_firmware:15.03.05.19:*:*:*:*:*:*:*

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
32.75%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3275 is in the 95th percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 / wshidamowang/Router/blob/main/Tenda/AC18/RCE_1.md
ExploitThird Party Advisory