How severe is CVE-2026-24103?

CVE-2026-24103 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-24103 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24103?

CVE-2026-24103 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24103?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-24103 have an EU (EUVD) identifier?

Yes. CVE-2026-24103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9293.

When was CVE-2026-24103 published?

CVE-2026-24103 was published on 2026-03-03 and last updated on 2026-06-17.

CVE-2026-24103

CVE-2026-24103 is a critical-severity vulnerability in Tenda Ac15 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9293
Weakness: CWE-120
Affected product: Tenda Ac15 Firmware
Published: 2026-03-03
Last modified: 2026-06-17

Description

A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.

Frequently asked questions

What is CVE-2026-24103?: A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.
How severe is CVE-2026-24103?: CVE-2026-24103 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-24103 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24103?: CVE-2026-24103 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24103?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-24103 have an EU (EUVD) identifier?: Yes. CVE-2026-24103 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9293.
When was CVE-2026-24103 published?: CVE-2026-24103 was published on 2026-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tenda:ac15_firmware:15.03.05.18_multi:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac15 Firmware

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CVE-2026-24101 — Critical (CVSS 9.8): An issue was discovered in goform/formSetIptv in Tenda AC15V1.0 V15.03.05.18_multi. When the condition is met, `s1_1`…
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CVE-2025-25632 — Critical (CVSS 9.8): Tenda AC15 v15.03.05.19 is vulnerable to Command Injection via the handler function in /goform/telnet.
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