An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000.
Priority HIGH 72CWE-798Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.
Summary
An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000. Due to the use of a hard-coded cryptographic key, an attacker is able to decrypt encrypted configuration files and retrieve sensitive information.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01357 71st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:audiocodes:c470hd_firmware:*:*:*:*:*:*:*:* | up to 3.4.4.1000 | Vulnerable | AudioCodes Limited |
| cpe:2.3:h:audiocodes:c470hd:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AudioCodes Limited |
| cpe:2.3:o:audiocodes:c455hd_firmware:*:*:*:*:*:*:*:* | up to 3.4.4.1000 | Vulnerable | AudioCodes Limited |
| cpe:2.3:h:audiocodes:c455hd:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AudioCodes Limited |
| cpe:2.3:o:audiocodes:c435hd_firmware:*:*:*:*:*:*:*:* | up to 3.4.4.1000 | Vulnerable | AudioCodes Limited |
| cpe:2.3:h:audiocodes:c435hd:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AudioCodes Limited |
| cpe:2.3:o:audiocodes:445hd_firmware:*:*:*:*:*:*:*:* | up to 3.4.4.1000 | Vulnerable | AudioCodes Limited |
| cpe:2.3:h:audiocodes:445hd:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AudioCodes Limited |
| cpe:2.3:o:audiocodes:405hd_firmware:*:*:*:*:*:*:*:* | up to 3.4.4.1000 | Vulnerable | AudioCodes Limited |
| cpe:2.3:h:audiocodes:405hd:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AudioCodes Limited |
- cpe:2.3:o:audiocodes:c470hd_firmware:*:*:*:*:*:*:*:* Versions up to 3.4.4.1000 Vulnerable ·AudioCodes Limited
- cpe:2.3:h:audiocodes:c470hd:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AudioCodes Limited
- cpe:2.3:o:audiocodes:c455hd_firmware:*:*:*:*:*:*:*:* Versions up to 3.4.4.1000 Vulnerable ·AudioCodes Limited
- cpe:2.3:h:audiocodes:c455hd:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AudioCodes Limited
- cpe:2.3:o:audiocodes:c435hd_firmware:*:*:*:*:*:*:*:* Versions up to 3.4.4.1000 Vulnerable ·AudioCodes Limited
- cpe:2.3:h:audiocodes:c435hd:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AudioCodes Limited
- cpe:2.3:o:audiocodes:445hd_firmware:*:*:*:*:*:*:*:* Versions up to 3.4.4.1000 Vulnerable ·AudioCodes Limited
- cpe:2.3:h:audiocodes:445hd:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AudioCodes Limited
- cpe:2.3:o:audiocodes:405hd_firmware:*:*:*:*:*:*:*:* Versions up to 3.4.4.1000 Vulnerable ·AudioCodes Limited
- cpe:2.3:h:audiocodes:405hd:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AudioCodes Limited
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:audiocodes:c450hd_firmware:*:*:*:*:*:*:*:* | up to 3.4.4.1000 | Vulnerable | AudioCodes Limited |
| cpe:2.3:h:audiocodes:c450hd:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AudioCodes Limited |
- cpe:2.3:o:audiocodes:c450hd_firmware:*:*:*:*:*:*:*:* Versions up to 3.4.4.1000 Vulnerable ·AudioCodes Limited
- cpe:2.3:h:audiocodes:c450hd:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AudioCodes Limited
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-22956
- 2026-10-03 Alias added: GHSA-cr2c-25fm-qvrf
References
More AudioCodes Limited 405hd Firmware vulnerabilities
- TI-2023-09087 An issue was discovered in libac_des3.so on AudioCodes VoIP desk phones through… CVSS 3.1HIGH 7.5
- TI-2023-09085 An issue was discovered on AudioCodes VoIP desk phones through 3.4.4.1000. CVSS 3.1HIGH 7.8
- TI-2018-11606 A command injection (missing input validation, escaping) in the monitoring or memory… CVSS 3.0HIGH 8.0
- TI-2018-11609 A missing password verification in the web interface in AudioCodes 405HD VoIP phone with… CVSS 3.0HIGH 8.8
- TI-2018-11610 Cross Site Scripting in different input fields (domain field and personal settings) in… CVSS 3.0MEDIUM 6.1
Sources
- CVE-2023-22956 · CVE Program
- CVE-2023-22956 · NVD
- FIRST EPSS
- GHSA-cr2c-25fm-qvrf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences