CVE-2020-8962
CRITICALCVSS 9.8/10EPSS 1.80%
Last modified
CVE-2020-8962 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.80% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-842 Firmware | 3.13b09 |
References
- https://ctrsec.io/index.php/2020/02/12/cve-2020-8962-d-link-dir-842-stack-based-buffer-overflow/Exploit, Third Party Advisory
- https://ctrsec.io/index.php/2020/02/12/cve-2020-8962-d-link-dir-842-stack-based-buffer-overflow/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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 score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8962?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2020
- CVE-2020-8955irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat…9.8
- CVE-2020-8956Pulse Secure Desktop Client 9.0Rx before 9.0R5 and 9.1Rx bef…3.3
- CVE-2020-8958Guangzhou 1GE ONU V2801RW 1.9.1-181203 through 2.9.0-181024 …7.2
- CVE-2020-8959Western Digital WesternDigitalSSDDashboardSetup.exe before 3…7.8
- CVE-2020-8960Western Digital mycloud.com before Web Version 2.2.0-134 all…6.1
- CVE-2020-8961An issue was discovered in Avira Free-Antivirus before 15.0.…9.8
- CVE-2020-8963TimeTools SC7105 1.0.007, SC9205 1.0.007, SC9705 1.0.007, SR…9.8
- CVE-2020-8964TimeTools SC7105 1.0.007, SC9205 1.0.007, SC9705 1.0.007, SR…9.8
- CVE-2020-8966There is an Improper Neutralization of Script-Related HTML T…6.1
- CVE-2020-8967There is an improper Neutralization of Special Elements used…9.8
- CVE-2020-8968Parallels Remote Application Server (RAS) allows a local att…7.1
- CVE-2020-8973ZGR TPS200 NG in its 2.00 firmware version and 1.01 hardware…8.1
Are you affected by CVE-2020-8962?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST