CVE-2022-47209 json
A support user exists on the device and appears to be a backdoor for Technical Support staff.
published 2022-12-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-49984
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
A support user exists on the device and appears to be a backdoor for Technical Support staff. The default password for this account is “support” and cannot be changed by a user via any normally accessible means.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- tenable.com https://www.tenable.com/security/research/tra-2022-37 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- n/a NETGEAR Nighthawk WiFi6 Router
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
tenable.com
/security/research/tra-2022-37
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2022-47209
- NVD CVE-2022-47209
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