CVE-2021-36708
CVE-2021-36708 is a high-severity vulnerability in Prolink Prc2402m Firmware with a CVSS 3.x base score of 7.5. 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-640.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-640
- Affected product: Prolink Prc2402m Firmware
- Published:
- Last modified:
Description
In ProLink PRC2402M V1.0.18 and older, the set_sys_init function in the login.cgi binary allows an attacker to reset the password to the administrative interface of the router.
Frequently asked questions
- What is CVE-2021-36708?
- In ProLink PRC2402M V1.0.18 and older, the set_sys_init function in the login.cgi binary allows an attacker to reset the password to the administrative interface of the router.
- How severe is CVE-2021-36708?
- CVE-2021-36708 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-36708 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-36708?
- CVE-2021-36708 affects Prolink Prc2402m Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-36708?
- 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-2021-36708 published?
- CVE-2021-36708 was published on 2021-08-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:prolink:prc2402m_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Prolink Prc2402m Firmware
- CVE-2021-36707 — Critical (CVSS 9.8): In ProLink PRC2402M V1.0.18 and older, the set_ledonoff function in the adm.cgi binary, accessible with a page…
- CVE-2021-36706 — Critical (CVSS 9.8): In ProLink PRC2402M V1.0.18 and older, the set_sys_cmd function in the adm.cgi binary, accessible with a page parameter…
- CVE-2021-36705 — Critical (CVSS 9.8): In ProLink PRC2402M V1.0.18 and older, the set_TR069 function in the adm.cgi binary, accessible with a page parameter…
All CVEs affecting Prolink Prc2402m Firmware →
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