🛡️ CVE-2022-39996 — rs123-firmware

🟡 CVSS 4.8 — Medium ⚠️ Exploit Public CWE-79 NVD
4.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Cross Site Scripting vulnerability in Teldats Router RS123, RS123w allows attacker to execute arbitrary code via the cmdcookie parameter to the upgrade/query.php page.

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2022-39996 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2022-39996 is recorded against 2 packages.

  • rs123-firmware
  • rs123w-firmware

Timeline and source

Published on 27 August 2024 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com

Details

Severity MEDIUM
CVSS Score 4.8
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ⚠️ Yes
Source NVD
Published 2024-08-27
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
rs123-firmware — —
rs123w-firmware — —

Exploit Protection

Are you running rs123-firmware?

CVE-2022-39996 carries CVSS 4.8 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

Check My Site For CVE-2022-39996 →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.