THREATPORT/VULNERABILITY/CVE-2025-12236
HIGH SEVERITY

CVE-2025-12236

Ch22 Firmware vulnerability

CVSS
8.8
EPSS
3.2%
EPSS pct
87th
Exploited
No known
A vulnerability was determined in Tenda CH22 1.0.0.1. This issue affects the function fromDhcpListClient of the file /goform/DhcpListClient. This manipulation of the argument page causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
Affected vendor
Tenda
Affected product
Ch22 Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
  • CWE-120 — Classic Buffer Overflow
Published
2025-10-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2025-12236

  • Confirm whether Tenda Ch22 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-12236.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-12236

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-12236 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2025-12236?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2025-12236.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2019-11374
74cms vulnerability
HIGH
CVE-2019-11378
Projectsend vulnerability
HIGH
CVE-2019-11415
Iwr 3000n Firmware vulnerability