CVE-2024-33433Public exploit

Stored XSS via unsanitized guest access comments

Published May 13, 2024 · Updated Feb 13, 2025

Stored XSS in TOTOLINK X2000R firmware before 1.0.0-B20231213.1013 allows remote authenticated users to execute JavaScript. The Guest Access Control page stores the Comment field without neutralizing markup and renders it in both Allow Listed and Deny Listed views. An authenticated user on the adjacent network must save a crafted comment, and JavaScript runs when another user visits either affected view.

CVSS severity4.8
Medium
EPSS probability0.63%
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 TOTOLINK X2000R firmware before 1.0.0-B20231213.1013 allows remote authenticated users to execute JavaScript. The Guest Access Control page stores the Comment field without neutralizing markup and renders it in both Allow Listed and Deny Listed views. An authenticated user on the adjacent network must save a crafted comment, and JavaScript runs when another user visits either affected view.

The record

CVE
CVE-2024-33433
Published
May 13, 2024
Updated
Feb 13, 2025
Vendor
TOTOLINK
Product
TOTOLINK X2000R Firmware
Classifications
CWE-233, T1059.007
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. May 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0-b20231213.1013

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

TOTOLINK · TOTOLINK X2000R Firmwareversion=1.0.0-b20231213.1013

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-233Improper Handling of Parameters
T1059.007JavaScript/JScript

Public exploit references

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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