CVE-2019-12512
Stored XSS via X-Forwarded-For Header During Incorrect Login
In NETGEAR Nighthawk X10-R900 prior to 1.0.4.24, an attacker may execute stored XSS attacks against this device by supplying a malicious X-Forwarded-For header while performing an incorrect login attempt. The value supplied by this header will be inserted into administrative logs, found at Advanced settings->Administration->Logs, and may trigger when the page is viewed. Although this value is inserted into a textarea tag, the attack simply needs to supply a closing textarea tag.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In NETGEAR Nighthawk X10-R900 prior to 1.0.4.24, an attacker may execute stored XSS attacks against this device by supplying a malicious X-Forwarded-For header while performing an incorrect login attempt. The value supplied by this header will be inserted into administrative logs, found at Advanced settings->Administration->Logs, and may trigger when the page is viewed. Although this value is inserted into a textarea tag, the attack simply needs to supply a closing textarea tag.
- Record
CVE-2019-12512- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE ListNo score
Stored XSS via X-Forwarded-For Header During Incorrect Login
In NETGEAR Nighthawk X10-R900 prior to 1.0.4.24, an attacker may execute stored XSS attacks against this device by supplying a malicious X-Forwarded-For header while performing an incorrect login attempt. The value supplied by this header will be inserted into administrative logs, found at Advanced settings->Administration->Logs, and may trigger when the page is viewed. Although this value is inserted into a textarea tag, the attack simply needs to supply a closing textarea tag.
- Record
CVE-2019-12512- Updated
- 2026-11-02
EUVDEUVD-2019-4107No score
In NETGEAR Nighthawk X10-R900 prior to 1.0.4.24, an attacker may execute stored XSS attacks against this device by supplying a malicious X-Forwarded-For header while performing an incorrect login attempt. The value supplied by this header will be inserted into administrative logs, found at Advanced settings->Administration->Logs, and may trigger when the page is viewed. Although this value is inserted into a textarea tag, the attack simply needs to supply a closing textarea tag.
- Record
EUVD-2019-4107- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wmp4-2x9h-3x8fNo score
In NETGEAR Nighthawk X10-R900 prior to 1.0.4.24, an attacker may execute stored XSS attacks...
In NETGEAR Nighthawk X10-R900 prior to 1.0.4.24, an attacker may execute stored XSS attacks against this device by supplying a malicious X-Forwarded-For header while performing an incorrect login attempt. The value supplied by this header will be inserted into administrative logs, found at Advanced settings->Administration->Logs, and may trigger when the page is viewed. Although this value is inserted into a textarea tag, the attack simply needs to supply a closing textarea tag.
- Record
GHSA-wmp4-2x9h-3x8f- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-12512 is a medium vulnerability (CVSS 6.1) in Netgear Nighthawk X10-r9000 Firmware, published February 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.