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CVE-2023-2645

31
FAUCET Score

CVE-2023-2645 is a critical vulnerability affecting the USR USR-G806 router (firmware version 1.0.41), specifically within its web management interface. It involves the use of a hard-coded password ("root") for the username/password argument, allowing for unauthorized access. With a CVSS score of 9.8, this vulnerability is remotely exploitable with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While the exploit has been publicly disclosed, there is currently no evidence of active exploitation, nor are there readily available Metasploit or ExploitDB modules. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.41CPE matchmatch criteria
cpe:2.3:o:usr:usr-g806_firmware:1.0.41:*:*:*:*:*:*:*

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
3.15%
Probability of exploitation in next 30 days
EPSS Percentile
86.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0315 is in the 78th percentile among its peer group of 36,835 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 / wswokao/testrouter/blob/main/README.md
ExploitThird Party Advisory
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory