What is CVE-2022-48113?

CVE-2022-48113 is a critical-severity vulnerability in Totolink N200re-V5, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-02-02.

How severe is CVE-2022-48113?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Totolink N200re-V5

CVE-2022-48113

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.

Published 2023-02-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Totolink N200re-V5
Totolink N200re-V5 Firmware — versions 9.3.5u.6139

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

wefir.blogspot.com/2022/12/totolink-n200rev5-telnet-backdoor.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-48113?: CVE-2022-48113 is a critical-severity vulnerability in Totolink N200re-V5, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-02-02.
How severe is CVE-2022-48113?: Critical severity. CVSS v3 base score is 9.8 out of 10.