🛡️ CVE-2022-50788 — big-voice2-firmware

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: None.
• Availability impact: None.

Weakness class

CVE-2022-50788 is classified as CWE-548: Exposure of Information Through Directory Listing. The product inappropriately exposes a directory listing with an index of all the resources located inside of the directory.

Affected software

CVE-2022-50788 is recorded against 9 packages.

• big-voice2-firmware
• big-voice4-firmware
• first-firmware
• impact-eco-firmware
• impact-firmware
• pulse-eco-firmware
• pulse-firmware
• stream-extension
• wm2-firmware

Timeline and source

Published on 30 December 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

exchange.xforce.ibmcloud.com
packetstormsecurity.com
www.sound4.com
www.vulncheck.com
www.zeroscience.mk

Other advisories for this package

big-voice2-firmware has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2022-50790 (7.5 High, published 30 Dec 2025)
• CVE-2022-50796 (9.8 Critical, published 30 Dec 2025)
• CVE-2022-50789 (7.8 High, published 30 Dec 2025)
• CVE-2022-50795 (7.8 High, published 30 Dec 2025)
• CVE-2022-50787 (7.2 High, published 30 Dec 2025)
• CVE-2022-50794 (9.8 Critical, published 30 Dec 2025)
• CVE-2022-50696 (9.8 Critical, published 30 Dec 2025)
• CVE-2022-50793 (8.8 High, published 30 Dec 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-548: Exposure of Information Through Directory Listing) in other software:

• CVE-2026-50233 (5.3 Medium, published 5 Jun 2026)
• CVE-2025-32750 (7.5 High, published 20 May 2026)
• CVE-2026-41933 (5.3 Medium, published 14 May 2026)
• CVE-2023-38265 (5.3 Medium, published 17 Feb 2026)
• CVE-2024-56464 (2.7 Low, published 9 Dec 2025)
• CVE-2025-62396 (5.0 Medium, published 17 Nov 2025)
• CVE-2025-13200 (5.3 Medium, published 15 Nov 2025)
• CVE-2025-27906 (5.3 Medium, published 14 Oct 2025)

Details

Affected Packages

References