CVE-2021-45736

7.5 highEPSS 1.2%

High (7.5) in totolink x5000r firmware. EPSS 1.2% chance of exploitation in the next 30 days.

TOTOLINK X5000R v9.1.0u.6118_B20201102 was discovered to contain a stack overflow in the function setL2tpServerCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via the eip, sip, server parameters.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
Published: 2022-02-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:x5000r_firmware

References

https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_9/9.md
https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_9/9.md

Check your stack JSON