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CVE-2022-29645

31
FAUCET Score

CVE-2022-29645 is a critical vulnerability affecting TOTOLINK A3100R V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129 firmware, stemming from a hardcoded root password found in the /etc/shadow.sample component. With a CVSS score of 9.8 (Critical), this vulnerability allows unauthenticated attackers to achieve complete compromise of confidentiality, integrity, and availability over the network with low attack complexity. While there is no known active exploitation, public exploit intelligence, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
4.1.2cu.5050_b20200504CPE matchmatch criteria
cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:*
4.1.2cu.5247_b20211129CPE matchmatch criteria
cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5247_b20211129:*:*:*:*:*:*:*

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
1.41%
Probability of exploitation in next 30 days
EPSS Percentile
69.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 57th 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 / shijin0925/IOT/blob/master/TOTOLINK%20A3100R/8.md
ExploitThird Party Advisory