CVE-2015-8262: Buffalo WZR-600DHP2 devices with firmware 2.09, 2.13, and 2.16 use an improper algorithm for selecting the ID

This month

MEDIUM 6.8REMOTEMITIGATEMITIGATE

CVE-2015-8262 is a medium-severity flaw (CVSS 6.8) affecting airstation extreme n600 firmware, airstation extreme n600. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffalo WZR-600DHP2 devices with firmware 2.09, 2.13, and 2.16 use an improper algorithm for selecting the ID value in the header of a DNS query, which makes it easier for remote attackers to spoof responses by predicting this value.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	6.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Published	2015-12-27
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: buffalotech

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

Am I affected?

Timeline

2015-12-27 03:59 UTCPublished CVE record published
2026-06-17 00:34 UTCUpdated Record last modified

buffalotech airstation extreme n600 firmware MITIGATE

Affected: 2.09 · 2.13 · 2.16

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.09

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.

buffalotech airstation extreme n600 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

Firmware

Install the latest firmware from the vendor advisory; if none, apply the vendor workaround.

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-2015-8262?

airstation extreme n600 firmware: mitigate or apply the listed mitigation; airstation extreme n600: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-8262 being exploited?

CVE-2015-8262 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-2015-8262 affect?

CVE-2015-8262 affects airstation extreme n600 firmware, airstation extreme n600. Severity is medium (CVSS 6.8). Buffalo WZR-600DHP2 devices with firmware 2.09, 2.13, and 2.16 use an improper algorithm for selecting the ID value in the header of a DNS query, which makes it easier for remote attackers to spoof responses by predicting this value.

How urgent is CVE-2015-8262?

Priority 45/100. Remotely exploitable, no login, no user action

References

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