Buffer overflow in Tenda Ax1803

CVE-2026-1329

A flaw has been found in Tenda AX1803 1.0.0.1. The affected element is the function fromGetWifiGuestBasic of the file /goform/WifiGuestSet. Executing a manipulation of the argument guestWrlPwd/guestEn/guestSsid/hideSsid/guestSecurity can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)
  • cna@vuldb.com (Product, product)

Frequently asked questions

What is CVE-2026-1329?
CVE-2026-1329 is a high-severity vulnerability in Tenda Ax1803, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-01-22.
How severe is CVE-2026-1329?
High severity. CVSS v3 base score is 8.8 out of 10.