How severe is CVE-2022-28557?

CVE-2022-28557 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-2022-28557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28557?

CVE-2022-28557 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28557?

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.

When was CVE-2022-28557 published?

CVE-2022-28557 was published on 2022-05-04 and last updated on 2026-06-17.

CVE-2022-28557

CVE-2022-28557 is a critical-severity vulnerability in Tenda Ac15 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 23% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 23% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Tenda Ac15 Firmware
Published: 2022-05-04
Last modified: 2026-06-17

Description

There is a command injection vulnerability at the /goform/setsambacfg interface of Tenda AC15 US_AC15V1.0BR_V15.03.05.20_multi_TDE01.bin device web, which can also cooperate with CVE-2021-44971 to cause unconditional arbitrary command execution

Frequently asked questions

What is CVE-2022-28557?: There is a command injection vulnerability at the /goform/setsambacfg interface of Tenda AC15 US_AC15V1.0BR_V15.03.05.20_multi_TDE01.bin device web, which can also cooperate with CVE-2021-44971 to cause unconditional arbitrary command execution
How severe is CVE-2022-28557?: CVE-2022-28557 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-2022-28557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28557?: CVE-2022-28557 affects Tenda Ac15 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28557?: 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.
When was CVE-2022-28557 published?: CVE-2022-28557 was published on 2022-05-04 and last updated on 2026-06-17.

References

https://github.com/doudoudedi/TendaAC15_vul/blob/main/TendaAC15-vul.md

Affected products (1)

cpe:2.3:o:tenda:ac15_firmware:15.03.05.20_multi_tde01:*:*:*:*:*:*:*

More vulnerabilities in Tenda Ac15 Firmware

CVE-2026-24103 — Critical (CVSS 9.8): A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.
CVE-2026-24105 — Critical (CVSS 9.8): An issue was discovered in goform/formsetUsbUnload in Tenda AC15V1.0 V15.03.05.18_multi. The value of `v1` was not…
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`…
CVE-2025-63666 — Critical (CVSS 9.8): Tenda AC15 v15.03.05.18_multi) issues an authentication cookie that exposes the account password hash to the client and…
CVE-2025-29462 — Critical (CVSS 9.8): A buffer overflow vulnerability has been discovered in Tenda Ac15 V15.13.07.13. The vulnerability occurs when the…
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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