How severe is CVE-2020-12123?

CVE-2020-12123 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2020-12123 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12123?

CVE-2020-12123 affects Wavlink Wn530h4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12123?

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

When was CVE-2020-12123 published?

CVE-2020-12123 was published on 2020-10-02 and last updated on 2026-06-17.

CVE-2020-12123

CVE-2020-12123 is a high-severity vulnerability in Wavlink Wn530h4 Firmware with a CVSS 3.x base score of 8.1. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 7.8
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Wavlink Wn530h4 Firmware
Published: 2020-10-02
Last modified: 2026-06-17

Description

CSRF vulnerabilities in the /cgi-bin/ directory of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to remotely access router endpoints, because these endpoints do not contain CSRF tokens. If a user is authenticated in the router portal, then this attack will work.

Frequently asked questions

What is CVE-2020-12123?: CSRF vulnerabilities in the /cgi-bin/ directory of the WAVLINK WN530H4 M30H4.V5030.190403 allow an attacker to remotely access router endpoints, because these endpoints do not contain CSRF tokens. If a user is authenticated in the router portal, then this attack will work.
How severe is CVE-2020-12123?: CVE-2020-12123 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2020-12123 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12123?: CVE-2020-12123 affects Wavlink Wn530h4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12123?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-12123 published?: CVE-2020-12123 was published on 2020-10-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:wavlink:wn530h4_firmware:m30h4.v5030.190403:*:*:*:*:*:*:*

More vulnerabilities in Wavlink Wn530h4 Firmware

CVE-2022-35538 — Critical (CVSS 9.8): WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: delete_list,…
CVE-2022-35537 — Critical (CVSS 9.8): WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameters: mac_5g and Newname,…
CVE-2022-35536 — Critical (CVSS 9.8): WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 qos.cgi has no filtering on parameters: qos_bandwith and qos_dat,…
CVE-2022-35535 — Critical (CVSS 9.8): WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameter macAddr, which leads to…
CVE-2022-35534 — Critical (CVSS 9.8): WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 wireless.cgi has no filtering on parameter hiddenSSID32g and…
CVE-2022-35533 — Critical (CVSS 9.8): WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 qos.cgi has no filtering on parameters: cli_list and cli_num,…

All CVEs affecting Wavlink Wn530h4 Firmware →

Other CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities

CVE-2025-32642 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in appsbd Vite Coupon vite-coupon allows Remote Code Inclusion.This…
CVE-2025-23922 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in Harsh iSpring Embedder embed-ispring allows Upload a Web Shell to a…
CVE-2017-5145 — Critical (CVSS 10.0): An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11_U05, and VMU-C PV prior to firmware…
CVE-2019-25729 — Critical (CVSS 9.8): PDF Signer 3.0 contains a server-side template injection vulnerability that allows unauthenticated attackers to execute…
CVE-2025-48340 — Critical (CVSS 9.8): Cross-Site Request Forgery (CSRF) vulnerability in Danny Vink User Profile Meta Manager user-profile-meta allows…
CVE-2025-2907 — Critical (CVSS 9.8): The Order Delivery Date WordPress plugin before 12.3.1 does not have authorization and CSRF checks when importing…

Browse all CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities →