CVE-2019-12512

Stored XSS via X-Forwarded-For Header During Incorrect Login

MEDIUM
6.1
CVSS Score
Published: February 24, 2020 at 06:16 PM UTC
Updated: June 17, 2026 at 02:14 AM UTC
2 products affected across 1 vendorNighthawk X10-r9000 FirmwareNighthawk X10-R9000

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Severity
MEDIUM6.1
Exploit prediction
EPSS 1.0%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.0.4.24
Affected range stops below 1.0.4.24, so it looks safe — our inference, not a vendor statement
netgear-nighthawk-x10-r9000 (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
https://www.ise.io/casestudies/sohopelessly-broken-2-0/

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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