CVE-2017-18812

Stored script execution via undisclosed input handling

Published Apr 21, 2020 · Updated Aug 5, 2024

Stored XSS in NETGEAR ReadyNAS OS 6 before 6.8.0 allows local users with administrative privileges to execute script in a user's browser. NETGEAR has not disclosed the affected interface, stored input, or missing output-neutralization operation. Exploitation requires administrative privileges and user interaction, and the injected script executes in the victim's ReadyNAS web-session context.

CVSS severity5.2
Medium
EPSS probability0.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in NETGEAR ReadyNAS OS 6 before 6.8.0 allows local users with administrative privileges to execute script in a user's browser. NETGEAR has not disclosed the affected interface, stored input, or missing output-neutralization operation. Exploitation requires administrative privileges and user interaction, and the injected script executes in the victim's ReadyNAS web-session context.

The record

CVE
CVE-2017-18812
Published
Apr 21, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Apr 21, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.2NETGEARCVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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