CVE-2026-6250: An authenticated format string vulnerability exists in the ONVIF service of Tapo C110 v2 due to improper handl

Q: How do I fix CVE-2026-6250?

tapo c110 firmware: upgrade to 1.5.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-6250 being exploited?

CVE-2026-6250 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-2026-6250 affect?

CVE-2026-6250 affects tapo c110 firmware. Severity is high (CVSS 8.1). An authenticated format string vulnerability exists in the ONVIF service of Tapo C110 v2 due to improper handling of user-controlled input. Externally controlled data is interpreted as a format string, which can be used to manipulate stack

Routine

HIGH 8.1UPGRADE

CVE-2026-6250 is a high-severity flaw (CVSS 8.1) affecting tapo c110 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An authenticated format string vulnerability exists in the ONVIF service of Tapo C110 v2 due to improper handling of user-controlled input. Externally controlled data is interpreted as a format string, which can be used to manipulate stack memory, including control flow data such as return addresses. A remote authenticated attacker may redirect execution flow to existing internal functions, triggering an unauthorized factory reset, leading

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-134
Published	2026-06-11
Last modified	2026-10-26

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

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-11 22:16 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

tp-link tapo c110 firmware UPGRADE

Affected: < 1.5.4

Fixed in: 1.5.4

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-2026-6250?

tapo c110 firmware: upgrade to 1.5.4. Exact commands for each OS are on this page.

Is CVE-2026-6250 being exploited?

CVE-2026-6250 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-2026-6250 affect?

CVE-2026-6250 affects tapo c110 firmware. Severity is high (CVSS 8.1). An authenticated format string vulnerability exists in the ONVIF service of Tapo C110 v2 due to improper handling of user-controlled input. Externally controlled data is interpreted as a format string, which can be used to manipulate stack

How urgent is CVE-2026-6250?

Priority 38/100. High severity

Software pages

TP-Link vulnerabilities

References

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