CVE-2015-0558: The ADB (formerly Pirelli Broadband Solutions) P.DGA4001N router with firmware PDG_TEF_SP_4.06L.6, and possibl

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MEDIUM 5.3REMOTEMITIGATE

CVE-2015-0558 is a medium-severity flaw (CVSS 5.3) affecting p.dga4001n firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The ADB (formerly Pirelli Broadband Solutions) P.DGA4001N router with firmware PDG_TEF_SP_4.06L.6, and possibly other routers, uses "1236790" and the MAC address to generate the WPA key.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-311
Published	2020-01-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: adbglobal

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-01-14 17:15 UTCPublished CVE record published
2026-06-17 00:20 UTCUpdated Record last modified

adbglobal p.dga4001n firmware MITIGATE

Affected: pdg_tef_sp_4.06l.6

Fixed in: no fixed release known

Safe to downgrade to: a release before pdg_tef_sp_4.06l.6

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-0558?

p.dga4001n firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-0558 being exploited?

CVE-2015-0558 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-0558 affect?

CVE-2015-0558 affects p.dga4001n firmware. Severity is medium (CVSS 5.3). The ADB (formerly Pirelli Broadband Solutions) P.DGA4001N router with firmware PDG_TEF_SP_4.06L.6, and possibly other routers, uses "1236790" and the MAC address to generate the WPA key.

How urgent is CVE-2015-0558?

Priority 46/100. Public exploit reference; Remotely exploitable, no login, no user action

References

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