CVE-2019-17137 json
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR AC1200 R6220 Firmware ve…
published 2020-02-10 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7594
- cvss
- 9.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR AC1200 R6220 Firmware version 1.1.0.86 Smart WiFi Router. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of path strings. By inserting a null byte into the path, the user can skip most authentication checks. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-8616.
Exploit prediction
2.74% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.4 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H |
| NVD | 3.1 | 9.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- NETGEAR AC1200
Classification
- Weakness
-
- CWE-626 Null Byte Interaction Error (Poison Null Byte)
References
-
zerodayinitiative.com
/advisories/ZDI-19-866/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2019-17137
- NVD CVE-2019-17137
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