How severe is CVE-2020-25758?

CVE-2020-25758 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-25758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25758?

CVE-2020-25758 primarily affects Dlink Dsr-150 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-25758?

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

When was CVE-2020-25758 published?

CVE-2020-25758 was published on 2020-12-15 and last updated on 2026-06-17.

CVE-2020-25758

CVE-2020-25758 is a high-severity vulnerability in Dlink Dsr-150 Firmware with a CVSS 3.x base score of 8.8. 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-354.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-354
Affected product: Dlink Dsr-150 Firmware
Published: 2020-12-15
Last modified: 2026-06-17

Description

An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.

Frequently asked questions

What is CVE-2020-25758?: An issue was discovered on D-Link DSR-250 3.17 devices. Insufficient validation of configuration file checksums could allow a remote, authenticated attacker to inject arbitrary crontab entries into saved configurations before uploading. These entries are executed as root.
How severe is CVE-2020-25758?: CVE-2020-25758 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-25758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25758?: CVE-2020-25758 primarily affects Dlink Dsr-150 Firmware. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-25758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-25758 published?: CVE-2020-25758 was published on 2020-12-15 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:dlink:dsr-150_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-150n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-250_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-250n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-500n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-500ac_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-1000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-1000n_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsr-1000ac_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Dlink Dsr-150 Firmware

CVE-2013-5946 — Critical (CVSS 10.0): The runShellCmd function in systemCheck.htm in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware…
CVE-2013-5945 — Critical (CVSS 9.8): Multiple SQL injection vulnerabilities in D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before…
CVE-2024-57376 — High (CVSS 8.8): Buffer Overflow vulnerability in D-Link DSR-150, DSR-150N, DSR-250, DSR-250N, DSR-500N, DSR-1000N from 3.13 to…
CVE-2020-25759 — High (CVSS 8.8): An issue was discovered on D-Link DSR-250 3.17 devices. Certain functionality in the Unified Services Router web…
CVE-2020-25757 — High (CVSS 8.8): A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input…
CVE-2013-7004 — High (CVSS 7.8): D-Link DSR-150 with firmware before 1.08B44; DSR-150N with firmware before 1.05B64; DSR-250 and DSR-250N with firmware…

All CVEs affecting Dlink Dsr-150 Firmware →

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CVE-2023-33668 — Critical (CVSS 9.8): DigiExam up to v14.0.2 lacks integrity checks for native modules, allowing attackers to access PII and takeover…
CVE-2017-15994 — Critical (CVSS 9.8): rsync 3.1.3-development before 2017-10-24 mishandles archaic checksums, which makes it easier for remote attackers to…
CVE-2026-49230 — Critical (CVSS 9.1): Improper Validation of Integrity Check Value vulnerability in Apache APISIX. The jwe-decrypt plugin under default…
CVE-2026-34182 — Critical (CVSS 9.1): Issue Summary: Cryptographic Message Services (CMS) processing fails to perform sufficient input validation on the…

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