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CVE-2025-43979

Quick assessment

Affected
n/a n/a
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FIRSTNUM JC21A-04是中国FIRSTNUM公司的一款路由器。 FIRSTNUM JC21A-04 2.01ME/FN及之前版本存在安全漏洞，该漏洞源于通过xml_action.cgi端点可执行任意系统命令。

AI Predicted 9.8 Difficulty: Easy EPSS 5.27% · P92
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I. Basic Information for CVE-2025-43979

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered on FIRSTNUM JC21A-04 devices through 2.01ME/FN that allows authenticated attackers to execute arbitrary OS system commands with root privileges via crafted payloads to the xml_action.cgi?method= endpoint.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FIRSTNUM JC21A-04 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FIRSTNUM JC21A-04是中国FIRSTNUM公司的一款路由器。 FIRSTNUM JC21A-04 2.01ME/FN及之前版本存在安全漏洞，该漏洞源于通过xml_action.cgi端点可执行任意系统命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2025-43979

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2025-43979

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Same Patch Batch · n/a · 2025-08-05 · 22 CVEs total

CVE-2025-8585 5.3 MEDIUM libav DSS File Demuxer avconv.c main double free
CVE-2025-8584 3.3 LOW libav AVI File Parser buffer.c av_buffer_unref null pointer dereference
CVE-2025-8586 3.3 LOW libav MPEG File Parser utils.c ff_seek_frame_binary null pointer dereference
CVE-2025-52237 SSCMS 安全漏洞
CVE-2025-52078 Themetags Writebot – AI Content Generator Saas React Template 安全漏洞
CVE-2025-43980 FIRSTNUM JC21A-04 安全漏洞
CVE-2025-43978 Jointelli 5G CPE 21H01 安全漏洞
CVE-2025-45512 DENX Software Engineering Das U-Boot 安全漏洞
CVE-2025-46658 4C Strategies Exonaut 安全漏洞
CVE-2025-51060 CPUID CPU-Z 安全漏洞
CVE-2025-51857 Halo 安全漏洞
CVE-2025-51628 Agenzia Impresa EccoBook 安全漏洞
CVE-2025-51541 Shopware 安全漏洞
CVE-2025-51627 Agenzia Impresa Eccobook 安全漏洞
CVE-2025-50688 TwistedWeb 安全漏洞
CVE-2025-50454 Blue Access Cobalt X1 安全漏洞
CVE-2025-50592 seacms 安全漏洞
CVE-2025-50706 thinkphp 安全漏洞
CVE-2025-50707 ThinkPHP 安全漏洞
CVE-2025-29745 Emsisoft Anti-Malware 安全漏洞

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2025-43979

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