PT-2026-30607 · Tenda · Tenda Cx12L

Lv1020 · Published 2026-04-06 · Updated 2026-04-06 · CVE-2026-5687

Positive Technologies · (AI Summary)

CVSS v2.0

9.0

High

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Tenda CX12L version 16.03.53.12

Description A flaw exists in the fromNatStaticSetting function within the /goform/NatStaticSetting file of the Tenda CX12L. Manipulation of the page argument can trigger a stack-based buffer overflow, potentially allowing for remote attacks. The exploit for this issue is publicly available.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, consider restricting access to the /goform/NatStaticSetting file.

Exploit

Fix

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

CVE-2026-5687

Affected Products

Tenda Cx12L

References · 7

• 🔥 https://github.com/cve-a/lvdan/issues/5 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5687 · Security Note
• https://vuldb.com/vuln/355514 · Note
• https://tenda.com.cn · Note
• https://twitter.com/vuldb/status/2041100383184171075 · Twitter Post
• https://vuldb.com/submit/792785 · Note
• https://vuldb.com/vuln/355514/cti · Note