CVE-2021-35327
CRITICALCVSS 9.8/10EPSS 1.38%
Last modified
CVE-2021-35327 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability in TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to start the Telnet service, then login with the default credentials via a crafted POST request.. EPSS estimates a 1.38% chance of exploitation in the next 30 days.
Description
A vulnerability in TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to start the Telnet service, then login with the default credentials via a crafted POST request.
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 |
|---|---|---|
| Totolink | A720r Firmware | 4.1.5cu.470_b20200911 |
References
- https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_default_telnet_info.mdExploit, Third Party Advisory
- https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_default_telnet_info.mdExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35327?
A vulnerability in TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to start the Telnet service, then login with the default credentials via a crafted POST request.
How severe is CVE-2021-35327?
CVE-2021-35327 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.38% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35327?
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
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Are you affected by CVE-2021-35327?
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Scan your code nowSource: NVD / NIST