CVE-2026-2017

CRITICAL

IP-COM W30AP <1.0.0.11 - Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-2017. PoCs published by GXB0_0.

AI-analyzed exploit summary The exploit demonstrates a stack-based buffer overflow in IP-COM W30AP firmware via the `/goform/wx3auth` endpoint, where unsanitized user input is passed to `sprintf` without length checks. The PoC sends a crafted POST request with an oversized `data` parameter to trigger the vulnerability.

Description

A vulnerability was detected in IP-COM W30AP up to 1.0.0.11(1340). Affected by this issue is the function R7WebsSecurityHandler of the file /goform/wx3auth of the component POST Request Handler. The manipulation of the argument data results in stack-based buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Exploits (1)

gitee WORKING POC
by GXB0_0 · poc
https://gitee.com/GXB0_0/iot-vul/blob/master/IP-COM/W30AP/wx3auth-sprintf.md#poc

The exploit demonstrates a stack-based buffer overflow in IP-COM W30AP firmware via the `/goform/wx3auth` endpoint, where unsanitized user input is passed to `sprintf` without length checks. The PoC sends a crafted POST request with an oversized `data` parameter to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: IP-COM W30AP firmware <= v1.0.0.11(1340)
No auth needed
Prerequisites: Network access to the target device · HTTP POST request capability
devstral-2 · analyzed Mar 04, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.344599
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.344599
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.744062
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.744063

Scores

CVSS v3 9.8
EPSS 0.0008
EPSS Percentile 23.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-121 CWE-119 CWE-787
Status published
Products (1)
ip-com/w30ap_firmware < 1.0.0.11\(1340\)
Published Feb 06, 2026
Tracked Since Feb 18, 2026