How severe is CVE-2025-56752?

CVE-2025-56752 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability high.

Is CVE-2025-56752 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-56752?

CVE-2025-56752 primarily affects Ruijie Rg-es228gs-p Firmware. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-56752?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-56752 have an EU (EUVD) identifier?

Yes. CVE-2025-56752 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26619.

When was CVE-2025-56752 published?

CVE-2025-56752 was published on 2025-09-03 and last updated on 2026-06-17.

CVE-2025-56752

CVE-2025-56752 is a critical-severity vulnerability in Ruijie Rg-es228gs-p Firmware with a CVSS 3.x base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.4)
EPSS exploit prediction: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26619
Weakness: CWE-287
Affected product: Ruijie Rg-es228gs-p Firmware
Published: 2025-09-03
Last modified: 2026-06-17

Description

A vulnerability in the Ruijie RG-ES series switch firmware ESW_1.0(1)B1P39 enables remote attackers to fully bypass authentication mechanisms, providing them with unrestricted access to alter administrative settings and potentially seize control of affected devices via crafted HTTP POST request to /user.cgi.

Frequently asked questions

What is CVE-2025-56752?: A vulnerability in the Ruijie RG-ES series switch firmware ESW_1.0(1)B1P39 enables remote attackers to fully bypass authentication mechanisms, providing them with unrestricted access to alter administrative settings and potentially seize control of affected devices via crafted HTTP POST request to /user.cgi.
How severe is CVE-2025-56752?: CVE-2025-56752 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability high.
Is CVE-2025-56752 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-56752?: CVE-2025-56752 primarily affects Ruijie Rg-es228gs-p Firmware. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-56752?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-56752 have an EU (EUVD) identifier?: Yes. CVE-2025-56752 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26619.
When was CVE-2025-56752 published?: CVE-2025-56752 was published on 2025-09-03 and last updated on 2026-06-17.

References

https://github.com/TNCX-byte/Vulnerability_Research/blob/main/CVE-2025-56752/README.md

Affected products (43)

cpe:2.3:o:ruijie:rg-es228gs-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es228gs-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es228gs-p_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es209gc-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es209gc-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es209gc-p_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es205gc-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es205gc-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es205gc-p_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es205gc_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es205gc_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es205gc_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es208gc_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es208gc_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es208gc_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es206gs-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es206gs-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es206gs-p_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es210gs-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es210gs-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es210gs-p_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es218gc-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es218gc-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es226gc-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es226gc-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es206gc-p_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es206gc-p_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es216gc_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es224gc_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es210gc-lp_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es206mg-p_firmware:esw_1.0\(1\)b1p42_release\(12142711\):*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es209mg-p_firmware:esw_1.0\(1\)b1p42_release\(12142711\):*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nis2100-8gt2sfp-hp_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nis2100-4gt2sfp-hp_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es216gc-v2_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es216gc-v2_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es216gc-v2_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es224gc-v2_firmware:esw_1.0\(1\)b1p27:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es224gc-v2_firmware:esw_1.0\(1\)b1p35:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-es224gc-v2_firmware:esw_1.0\(1\)b1p39:*:*:*:*:*:*:*

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