CVE-2018-25321: TP-Link TL-WR720N wireless router contains a cross-site request forgery vulnerability that allows attackers to

Q: How do I fix CVE-2018-25321?

tl-wr720n firmware: upgrade to newer than v1_130719. Exact commands for each OS are on this page.

Q: Is CVE-2018-25321 being exploited?

CVE-2018-25321 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-25321 affect?

CVE-2018-25321 affects tl-wr720n firmware. Severity is medium (CVSS 4.3). TP-Link TL-WR720N wireless router contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized administrative actions by crafting malicious web requests. Attackers can modify port forwarding rules via Vi

Q: How urgent is CVE-2018-25321?

Priority 22/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2018-25321 is a medium-severity flaw (CVSS 4.3) affecting tl-wr720n firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

TP-Link TL-WR720N wireless router contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized administrative actions by crafting malicious web requests. Attackers can modify port forwarding rules via VirtualServerRpm.htm or change WiFi security settings via WlanSecurityRpm.htm by tricking authenticated users into visiting attacker-controlled pages.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-352
Published	2026-05-17
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: tp-link

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

Am I affected?

Timeline

2026-05-17 13:16 UTCPublished CVE record published
2026-06-17 01:55 UTCUpdated Record last modified

tp-link tl-wr720n firmware UPGRADE

Affected: <= v1_130719

Fixed in: newer than v1_130719

Safe to downgrade to: no unaffected older release

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-2018-25321?

tl-wr720n firmware: upgrade to newer than v1_130719. Exact commands for each OS are on this page.

Is CVE-2018-25321 being exploited?

CVE-2018-25321 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-2018-25321 affect?

CVE-2018-25321 affects tl-wr720n firmware. Severity is medium (CVSS 4.3). TP-Link TL-WR720N wireless router contains a cross-site request forgery vulnerability that allows attackers to perform unauthorized administrative actions by crafting malicious web requests. Attackers can modify port forwarding rules via Vi

How urgent is CVE-2018-25321?

Priority 22/100. Public exploit reference

Software pages

TP-Link vulnerabilities · Wi-Fi vulnerabilities

References

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