CVE-2026-49199
CVE-2026-49199 is a critical-severity vulnerability in Acer Predator Connect W6x 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-77.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v4: 10.0
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-33269
- Weakness: CWE-77
- Affected product: Acer Predator Connect W6x Firmware
- Published:
- Last modified:
Description
Crafted MQTT messages can trigger command injection, resulting in root-level code execution on the target device.
Frequently asked questions
- What is CVE-2026-49199?
- Crafted MQTT messages can trigger command injection, resulting in root-level code execution on the target device.
- How severe is CVE-2026-49199?
- CVE-2026-49199 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-2026-49199 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-49199?
- CVE-2026-49199 affects Acer Predator Connect W6x Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-49199?
- 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-2026-49199 have an EU (EUVD) identifier?
- Yes. CVE-2026-49199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33269.
- When was CVE-2026-49199 published?
- CVE-2026-49199 was published on 2026-05-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:acer:predator_connect_w6x_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Acer Predator Connect W6x Firmware
- CVE-2026-49197 — Critical (CVSS 9.8): Web endpoints intended for the Acer Connect app improperly validate the HTTP Authorization header, failing to block…
- CVE-2026-49195 — High (CVSS 8.8): Unauthenticated Debug Service. The /sbin/mtk_dut binary is exposed on TCP port 9000 without authentication, allowing…
- CVE-2026-49196 — High (CVSS 7.2): The Wi-Fi device blocking feature fails to sanitize MAC address input, allowing injection and execution of arbitrary…
- CVE-2026-49198 — Medium (CVSS 4.9): Improper access control in the MQTT broker allows wildcard topic subscriptions, exposing all MQTT traffic to…
All CVEs affecting Acer Predator Connect W6x Firmware →
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