CVE-2022-48113 json
A vulnerability in TOTOLINK N200RE_v5 firmware V9.3.5u.6139 allows unauthenticated attackers to access the telnet service via a crafted POS…
published 2023-02-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-50826
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 19 mo ago
Exploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wefir.blogspot.com https://wefir.blogspot.com/2022/12/totolink-n200rev5-telnet-backdoor.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-798 Use of Hard-coded Credentials
References
-
wefir.blogspot.com
/2022/12/totolink-n200rev5-telnet-backdoor.html
exploit, third-party-advisory
Sources
- CVE List CVE-2022-48113
- NVD CVE-2022-48113
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