CVE-2026-49201
CVE-2026-49201 is a critical-severity vulnerability in Acer Wave 7 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 10.0
- EPSS exploit prediction: 0% (18th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-33271
- Weakness: CWE-798
- Affected product: Acer Wave 7 Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-49201?
- 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.
- How severe is CVE-2026-49201?
- CVE-2026-49201 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-49201 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-49201?
- CVE-2026-49201 affects Acer Wave 7 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-49201?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-49201 have an EU (EUVD) identifier?
- Yes. CVE-2026-49201 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33271.
- When was CVE-2026-49201 published?
- CVE-2026-49201 was published on 2026-05-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:acer:wave_7_firmware:*:*:*:*:*:*:*:*
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