CVE-2021-36614 json
Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the tr069-client process.
published 2022-05-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23211
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the tr069-client process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
Patch / fix
Exploit prediction
1.95% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- seclists.org http://seclists.org/fulldisclosure/2022/Jun/2 referenced PoC, tagged "exploit" by a source, unverified
- seclists.org https://seclists.org/fulldisclosure/2021/Jul/0 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
seclists.org
/fulldisclosure/2022/Jun/2
mailing-list, exploit, patch, third-party-advisory
-
seclists.org
/fulldisclosure/2021/Jul/0
exploit, mailing-list, third-party-advisory
Sources
- CVE List CVE-2021-36614
- NVD CVE-2021-36614
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.