CVE-2022-48113

Name: CVE-2022-48113
Creator: NVD / NIST
Published: 2023-02-02T22:15:11.527+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2022-48113 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability in TOTOLINK N200RE_v5 firmware V9.3.5u.6139 allows unauthenticated attackers to access the telnet service via a crafted POST request. Attackers are also able to leverage this vulnerability to login as root via hardcoded credentials.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

A vulnerability in TOTOLINK N200RE_v5 firmware V9.3.5u.6139 allows unauthenticated attackers to access the telnet service via a crafted POST request. Attackers are also able to leverage this vulnerability to login as root via hardcoded credentials.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Totolink	N200re-V5 Firmware	9.3.5u.6139

References

https://wefir.blogspot.com/2022/12/totolink-n200rev5-telnet-backdoor.htmlExploit, Third Party Advisory
https://wefir.blogspot.com/2022/12/totolink-n200rev5-telnet-backdoor.htmlExploit, Third Party Advisory

Timeline

Published: Feb 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-48113?

How severe is CVE-2022-48113?

CVE-2022-48113 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2022-48113?

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.

Are you affected by CVE-2022-48113?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST