How severe is CVE-2018-20326?

CVE-2018-20326 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-20326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20326?

CVE-2018-20326 affects Chinamobile Gpn2.4p21-c-cn Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20326?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-20326 published?

CVE-2018-20326 was published on 2019-01-02 and last updated on 2026-06-17.

CVE-2018-20326

CVE-2018-20326 is a medium-severity vulnerability in Chinamobile Gpn2.4p21-c-cn Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Chinamobile Gpn2.4p21-c-cn Firmware
Published: 2019-01-02
Last modified: 2026-06-17

Description

ChinaMobile PLC Wireless Router GPN2.4P21-C-CN devices with firmware W2001EN-00 have XSS via the cgi-bin/webproc?getpage=html/index.html var:subpage parameter.

Frequently asked questions

What is CVE-2018-20326?: ChinaMobile PLC Wireless Router GPN2.4P21-C-CN devices with firmware W2001EN-00 have XSS via the cgi-bin/webproc?getpage=html/index.html var:subpage parameter.
How severe is CVE-2018-20326?: CVE-2018-20326 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-20326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20326?: CVE-2018-20326 affects Chinamobile Gpn2.4p21-c-cn Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20326?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-20326 published?: CVE-2018-20326 was published on 2019-01-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:chinamobile:gpn2.4p21-c-cn_firmware:w2001en-00:*:*:*:*:*:*:*

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