How severe is CVE-2023-34644?

CVE-2023-34644 has a CVSS 3.x base score of 9.8, 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 high, and availability high.

Is CVE-2023-34644 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34644?

CVE-2023-34644 primarily affects Ruijie Rg-ew1200r Firmware. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-34644?

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.

When was CVE-2023-34644 published?

CVE-2023-34644 was published on 2023-07-31 and last updated on 2026-06-17.

CVE-2023-34644

CVE-2023-34644 is a critical-severity vulnerability in Ruijie Rg-ew1200r Firmware with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Ruijie Rg-ew1200r Firmware
Published: 2023-07-31
Last modified: 2026-06-17

Description

Remote code execution vulnerability in Ruijie Networks Product: RG-EW series home routers and repeaters EW_3.0(1)B11P204, RG-NBS and RG-S1930 series switches SWITCH_3.0(1)B11P218, RG-EG series business VPN routers EG_3.0(1)B11P216, EAP and RAP series wireless access points AP_3.0(1)B11P218, NBC series wireless controllers AC_3.0(1)B11P86 allows unauthorized remote attackers to gain the highest privileges via crafted POST request to /cgi-bin/luci/api/auth.

Frequently asked questions

What is CVE-2023-34644?: Remote code execution vulnerability in Ruijie Networks Product: RG-EW series home routers and repeaters EW_3.0(1)B11P204, RG-NBS and RG-S1930 series switches SWITCH_3.0(1)B11P218, RG-EG series business VPN routers EG_3.0(1)B11P216, EAP and RAP series wireless access points AP_3.0(1)B11P218, NBC series wireless controllers AC_3.0(1)B11P86 allows unauthorized remote attackers to gain the highest privileges via crafted POST request to /cgi-bin/luci/api/auth.
How severe is CVE-2023-34644?: CVE-2023-34644 has a CVSS 3.x base score of 9.8, 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 high, and availability high.
Is CVE-2023-34644 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34644?: CVE-2023-34644 primarily affects Ruijie Rg-ew1200r Firmware. In total, 65 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-34644?: 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.
When was CVE-2023-34644 published?: CVE-2023-34644 was published on 2023-07-31 and last updated on 2026-06-17.

References

Affected products (65)

cpe:2.3:o:ruijie:rg-ew1200r_firmware:3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-ew300_firmware:3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-ew3200gx_firmware:3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-ew1200g_firmware:3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-ew1800gx_firmware:3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-ew300r_firmware:3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-ew1200_firmware:3.0\(1\)b11p204:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg3000xe_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg105g_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg305gh-p-e_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg105g-p_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg3230_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg1000e_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg105g-e_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg105gw\(t\)_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg105gw-x_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg2000ce_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg2100-p_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg209gs_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg310gh-e_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg3000eu_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg210g-p_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg3250_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:re-eg1000m_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-eg1000c_firmware:3.0\(1\)b11p216:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3100-48gt4sfp-p_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3200-24gt4xs_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3200-24sfp_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3200-8gt4xs_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3200-24gt4xs-p_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3200-48gt4xs_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3200-48gt4xs-p_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3100-24gt4sfp_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3100-24gt4sfp-p_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3100-8gt2sfp_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-nbs3100-8gt2sfp-p_firmware:3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-rap1260_firmware:ap_3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-rap2266_firmware:ap_3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-rap1261_firmware:ap_3.0\(1\)b11p218:*:*:*:*:*:*:*
cpe:2.3:o:ruijie:rg-rap73hd_firmware:ap_3.0\(1\)b11p218:*:*:*:*:*:*:*

More vulnerabilities in Ruijie Rg-ew1200r Firmware

CVE-2025-56101 — High (CVSS 8.8): OS Command Injection vulnerability in Ruijie M18 EW_3.0(1)B11P226_M18_10223116 allowing attackers to execute arbitrary…
CVE-2025-56090 — High (CVSS 8.8): OS Command Injection vulnerability in Ruijie RG-EW1200G PRO RG-EW1200G PRO V1.00/V2.00/V3.00/V4.00 allowing attackers…
CVE-2023-38902 — High (CVSS 8.8): A command injection vulnerability in RG-EW series home routers and repeaters v.EW_3.0(1)B11P219, RG-NBS and RG-S1930…

All CVEs affecting Ruijie Rg-ew1200r Firmware →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →