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CVE-2025-56752

33
FAUCET Score

CVE-2025-56752 is a critical authentication bypass vulnerability affecting Ruijie RG-ES series switch firmware ESW_1.0(1)B1P39. An unauthenticated remote attacker can exploit this by sending a crafted HTTP POST request to /user.cgi, gaining full administrative control over the device. With a CVSS score of 9.4 (Critical), this vulnerability has a low attack complexity and severe impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, nor are there public exploit modules available in Metasploit, Nuclei, or ExploitDB, though it has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
esw_1.0\(1\)b1p27CPE matchmatch criteria
cpe:2.3:o:ruijie:rg-es228gs-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
esw_1.0\(1\)b1p35CPE matchmatch criteria
cpe:2.3:o:ruijie:rg-es228gs-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
esw_1.0\(1\)b1p39CPE matchmatch criteria
cpe:2.3:o:ruijie:rg-es228gs-p_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
esw_1.0\(1\)b1p27CPE matchmatch criteria
cpe:2.3:o:ruijie:rg-es209gc-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
esw_1.0\(1\)b1p35CPE matchmatch criteria
cpe:2.3:o:ruijie:rg-es209gc-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.4CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 18th percentile among its peer group of 36,833 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 / TNCX-byte/Vulnerability_Research/blob/main/CVE-2025-56752/README.md
Third Party Advisory