Review reviewHigh

CVE-2026-9428

Tenda F1202

A vulnerability has been found in Tenda F1202 1.2.0.20(408). Affected is the function fromPPTPUserSetting of the file /goform/PPTPUserSetting. Such manipulation of the argument delno leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

CVSS
7.4
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.05.25
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.4

Vulnerability overview

A vulnerability has been found in Tenda F1202 1.2.0.20(408). Affected is the function fromPPTPUserSetting of the file /goform/PPTPUserSetting. Such manipulation of the argument delno leads to stack-based buffer overflow. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.

Affected product and versions

Product
Tenda F1202
Affected versions
>= 1.2.0.20(408)
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Tenda F1202 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE
CWE-119, CWE-121