10.0
CRITICAL CVSS 4.0
CVE-2026-49201
Acer Wave 7 router: Hardcoded Cryptographic Key
Description

The upload.cgi binary, responsible for processing device backups, contains a hardcoded AES encryption key. This allows an attacker to decrypt, modify, and re-encrypt system backups, facilitating persistent backdoor injection.

INFO

Published Date :

May 29, 2026, 11:16 a.m.

Last Modified :

May 29, 2026, 11:16 a.m.

Remotely Exploit :

Yes !

Source :

8fc372e3-d9c5-46e4-9410-38469745c639
Affected Products

The following products are affected by CVE-2026-49201 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 CRITICAL 8fc372e3-d9c5-46e4-9410-38469745c639
CVSS 4.0 CRITICAL 8fc372e3-d9c5-46e4-9410-38469745c639
Solution
Remove hardcoded encryption keys and implement secure key management practices.
  • Remove hardcoded encryption keys from the binary.
  • Implement secure key management for encryption.
  • Regenerate all encryption keys immediately.
  • Rebuild and redeploy the affected binary.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-49201.

URL Resource
https://community.acer.com/en/kb/articles/19673
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-49201 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-49201 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-49201 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-49201 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 8fc372e3-d9c5-46e4-9410-38469745c639

    May. 29, 2026

    Action Type Old Value New Value
    Added Description The upload.cgi binary, responsible for processing device backups, contains a hardcoded AES encryption key. This allows an attacker to decrypt, modify, and re-encrypt system backups, facilitating persistent backdoor injection.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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
    Added CWE CWE-798
    Added Reference https://community.acer.com/en/kb/articles/19673
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.