CVE-2020-8962
CVE-2020-8962 is a critical-severity vulnerability in Dlink Dir-842 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Dlink Dir-842 Firmware
- Published:
- Last modified:
Description
A stack-based buffer overflow was found on the D-Link DIR-842 REVC with firmware v3.13B09 HOTFIX due to the use of strcpy for LOGINPASSWORD when handling a POST request to the /MTFWU endpoint.
Frequently asked questions
- What is CVE-2020-8962?
- A stack-based buffer overflow was found on the D-Link DIR-842 REVC with firmware v3.13B09 HOTFIX due to the use of strcpy for LOGINPASSWORD when handling a POST request to the /MTFWU endpoint.
- How severe is CVE-2020-8962?
- CVE-2020-8962 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-2020-8962 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8962?
- CVE-2020-8962 affects Dlink Dir-842 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8962?
- 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-2020-8962 published?
- CVE-2020-8962 was published on 2020-02-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:dlink:dir-842_firmware:3.13b09:*:*:*:*:*:*:*
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