# CVE-2026-49200 — Acer Wave 7 router

> As of 2026-05-29, CVE-2026-49200 is a Critical-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in Acer Wave 7 router, CVSS v4.0 10, EPSS 0.6% (47.8th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-49200, most recently “Acer Wave 7 Mesh Routers — Max-Severity Unauthenticated Zero-Days CVE-2026-49200 (Cleartext Credential Disclosure) & CVE-2026-49201 (Hardcoded AES Key Backdoor)”.

**Last updated:** 2026-05-29

## What is CVE-2026-49200?

The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file contains cleartext login credentials (for web and Telnet), leading to unauthorized system access.

The record classifies CVE-2026-49200 under weakness class [CWE-532](https://intel.threadlinqs.com/cwe/CWE-532). 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 152 days ago.

## Severity and exploitation probability

- **CVSS v4.0 base score:** 10 — Critical (derived from score) (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)
- **EPSS (FIRST):** 0.6% probability of exploitation in the next 30 days, higher than 47.8% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-05-29

## Is CVE-2026-49200 being exploited?

It currently carries a trending score of 17 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **Acer**: Wave 7 router

## How to fix CVE-2026-49200

No vendor patch reference has been recorded for CVE-2026-49200 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-49200

1 tracked threat in the Threadlinqs corpus references CVE-2026-49200, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Acer Wave 7 Mesh Routers — Max-Severity Unauthenticated Zero-Days CVE-2026-49200 (Cleartext Credential Disclosure) & CVE-2026-49201 (Hardcoded AES Key Backdoor)](https://intel.threadlinqs.com/threat/TL-2026-0674) — CRITICAL · 2026-06-03

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [community.acer.com](https://community.acer.com/en/kb/articles/19673)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-49200
Full detection coverage and IOCs for threats exploiting CVE-2026-49200 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp