SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-11588

On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential Gateway DDR2201v1-NA-AnnexA-FCC-V00.00.03.28.3 devices, there is remote command execution via shell metacharacters in the pingAddr…

CRITICAL 9.8EPSS 4.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

On Cisco DDR2200 ADSL2+ Residential Gateway DDR2200B-NA-AnnexA-FCC-V00.00.03.45.4E and DDR2201v1 ADSL2+ Residential Gateway DDR2201v1-NA-AnnexA-FCC-V00.00.03.28.3 devices, there is remote command execution via shell metacharacters in the pingAddr parameter to the waitPingqry.cgi URI. The command output is visible at /PingMsg.cmd.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
4.16% probability · 91th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
cisco/residential gateway firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 4.16%27 October 202627 October 2026

EPSS 4.2% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.