How severe is CVE-2020-10231?

CVE-2020-10231 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-10231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10231?

CVE-2020-10231 primarily affects Tp-link Nc450 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10231?

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-2020-10231 published?

CVE-2020-10231 was published on 2020-04-01 and last updated on 2026-06-17.

CVE-2020-10231

CVE-2020-10231 is a high-severity vulnerability in Tp-link Nc450 Firmware with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Tp-link Nc450 Firmware
Published: 2020-04-01
Last modified: 2026-06-17

Description

TP-Link NC200 through 2.1.8_Build_171109, NC210 through 1.0.9_Build_171214, NC220 through 1.3.0_Build_180105, NC230 through 1.3.0_Build_171205, NC250 through 1.3.0_Build_171205, NC260 through 1.5.1_Build_190805, and NC450 through 1.5.0_Build_181022 devices allow a remote NULL Pointer Dereference.

Frequently asked questions

What is CVE-2020-10231?: TP-Link NC200 through 2.1.8_Build_171109, NC210 through 1.0.9_Build_171214, NC220 through 1.3.0_Build_180105, NC230 through 1.3.0_Build_171205, NC250 through 1.3.0_Build_171205, NC260 through 1.5.1_Build_190805, and NC450 through 1.5.0_Build_181022 devices allow a remote NULL Pointer Dereference.
How severe is CVE-2020-10231?: CVE-2020-10231 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-10231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10231?: CVE-2020-10231 primarily affects Tp-link Nc450 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10231?: 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-2020-10231 published?: CVE-2020-10231 was published on 2020-04-01 and last updated on 2026-06-17.

References

Affected products (20)

cpe:2.3:o:tp-link:nc450_firmware:1.1.1:160928:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc450_firmware:1.1.2:161013:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc450_firmware:1.1.6:161124:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc450_firmware:1.5.0:181022:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc260_firmware:1.0.5:160804:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc260_firmware:1.0.6:161114:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc260_firmware:1.5.1:190805:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc250_firmware:1.3.0:171205:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc230_firmware:1.3.0:171205:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc220_firmware:1.1.12:160321_a:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc220_firmware:1.1.12:160321_b:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc220_firmware:1.1.14:161219:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc220_firmware:1.2.0:170516:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc220_firmware:1.3.0:180105:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc210_firmware:1.0.9:171214:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc200_firmware:2.1.6:160108_a:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc200_firmware:2.1.6:160108_b:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc200_firmware:2.1.7:160315_a:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc200_firmware:2.1.7:160315_b:*:*:*:*:*:*
cpe:2.3:o:tp-link:nc200_firmware:2.1.8:171109:*:*:*:*:*:*

More vulnerabilities in Tp-link Nc450 Firmware

CVE-2020-12110 — Critical (CVSS 9.8): Certain TP-Link devices have a Hardcoded Encryption Key. This affects NC200 2.1.9 build 200225, N210 1.0.9 build…
CVE-2020-13224 — High (CVSS 8.8): TP-LINK NC200 devices through 2.1.10 build 200401, NC210 devices through 1.0.10 build 200401, NC220 devices through…
CVE-2020-12109 — High (CVSS 8.8): Certain TP-Link devices allow Command Injection. This affects NC200 2.1.9 build 200225, NC210 1.0.9 build 200304, NC220…
CVE-2020-12111 — High (CVSS 8.8): Certain TP-Link devices allow Command Injection. This affects NC260 1.5.2 build 200304 and NC450 1.5.3 build 200304.
CVE-2020-11445 — Medium (CVSS 5.3): TP-Link cloud cameras through 2020-02-09 allow remote attackers to bypass authentication and obtain sensitive…

All CVEs affecting Tp-link Nc450 Firmware →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
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