Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a…
Priority LOW 31Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.
Why it matters now
EPSS 0.0537 92nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 21
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:cbos:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.1.0a:*:*:*:*:*:*:* | 2.1.0a | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.2.1a:*:*:*:*:*:*:* | 2.2.1a | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3:*:*:*:*:*:*:* | 2.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.2:*:*:*:*:*:*:* | 2.3.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.5:*:*:*:*:*:*:* | 2.3.5 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.5.015:*:*:*:*:*:*:* | 2.3.5.015 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:cbos:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.1.0a:*:*:*:*:*:*:* Versions 2.1.0a Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.2.1a:*:*:*:*:*:*:* Versions 2.2.1a Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3:*:*:*:*:*:*:* Versions 2.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.2:*:*:*:*:*:*:* Versions 2.3.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.5:*:*:*:*:*:*:* Versions 2.3.5 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.5.015:*:*:*:*:*:*:* Versions 2.3.5.015 Vulnerable ·Cisco
Show 11 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:cisco:cbos:2.3.7:*:*:*:*:*:*:* | 2.3.7 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.7.002:*:*:*:*:*:*:* | 2.3.7.002 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.8:*:*:*:*:*:*:* | 2.3.8 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3.9:*:*:*:*:*:*:* | 2.3.9 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.3_.053:*:*:*:*:*:*:* | 2.3_.053 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.2ap:*:*:*:*:*:*:* | 2.4.2ap | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.2b:*:*:*:*:*:*:* | 2.4.2b | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | Cisco |
| cpe:2.3:o:cisco:cbos:2.4.4:*:*:*:*:*:*:* | 2.4.4 | Vulnerable | Cisco |
- cpe:2.3:o:cisco:cbos:2.3.7:*:*:*:*:*:*:* Versions 2.3.7 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.7.002:*:*:*:*:*:*:* Versions 2.3.7.002 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.8:*:*:*:*:*:*:* Versions 2.3.8 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3.9:*:*:*:*:*:*:* Versions 2.3.9 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.3_.053:*:*:*:*:*:*:* Versions 2.3_.053 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.2ap:*:*:*:*:*:*:* Versions 2.4.2ap Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.2b:*:*:*:*:*:*:* Versions 2.4.2b Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Cisco
- cpe:2.3:o:cisco:cbos:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-0886
- 2026-10-03 Alias added: GHSA-32p2-76xv-rj3g
References
More Cisco Cbos vulnerabilities
- TI-2001-00722 Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial… CVSS 2.0HIGH 7.5
- TI-2007-04290 Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent… CVSS 2.0MEDIUM 5.0
- TI-2001-00724 Cisco CBOS 2.3.8 and earlier stores the passwords for (1) exec and (2) enable in… CVSS 2.0HIGH 7.5
- TI-2001-01019 Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to… CVSS 2.0MEDIUM 5.0
- TI-2001-00723 Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via an… CVSS 2.0MEDIUM 5.0
- TI-2001-01020 Web-based configuration utility in Cisco 600 series routers running CBOS 2.0.1 through… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2002-0886 · CVE Program
- CVE-2002-0886 · NVD
- FIRST EPSS
- GHSA-32p2-76xv-rj3g · 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