Resource management flaw in Cisco Small Business SPA300, SPA500, and SPA51x Series IP…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
A vulnerability in the handling of IP fragments for the Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to the inability to handle many large IP fragments for reassembly in a short duration. An attacker could exploit this vulnerability by sending a crafted stream of IP fragments to the targeted device. An exploit could allow the attacker to cause a DoS condition when the device unexpectedly reloads. Cisco Bug IDs: CSCve82586.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones | Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones | — | No fix listed | CNA |
- Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones Vendor— Affected Cisco Small Business SPA300, SPA500, and SPA51x Series IP Phones Fixed in — No fix listed CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:spa_301_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_301:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_303_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_303:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_500ds_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_500ds:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_500s_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_500s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_501g_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_501g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:spa_301_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_301:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_303_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_303:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_500ds_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_500ds:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_500s_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_501g_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_501g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Show 12 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:spa_502g_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_502g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_504g_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_504g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_508g_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_508g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_509g_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_509g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_512g_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_512g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
| cpe:2.3:o:cisco:spa_514g_firmware:7.6.2:*:*:*:*:*:*:* | 7.6.2 | Vulnerable | Cisco |
| cpe:2.3:h:cisco:spa_514g:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Cisco |
- cpe:2.3:o:cisco:spa_502g_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_502g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_504g_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_504g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_508g_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_508g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_509g_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_509g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_512g_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_512g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
- cpe:2.3:o:cisco:spa_514g_firmware:7.6.2:*:*:*:*:*:*:* Versions 7.6.2 Vulnerable ·Cisco
- cpe:2.3:h:cisco:spa_514g:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-12219
- 2026-10-03 Alias added: GHSA-473r-243h-5q84
References
More Cisco Spa 301 Firmware vulnerabilities
- TI-2024-13377 Buffer overflow in Cisco Small Business IP Phones CVSS 3.1CRITICAL 9.8
- TI-2024-13379 Buffer overflow in Cisco Small Business IP Phones CVSS 3.1CRITICAL 9.8
- TI-2024-13378 Buffer overflow in Cisco Small Business IP Phones CVSS 3.1HIGH 7.5
Sources
- CVE-2017-12219 · CVE Program
- CVE-2017-12219 · NVD
- FIRST EPSS
- GHSA-473r-243h-5q84 · 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