How severe is CVE-2012-6570?

CVE-2012-6570 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-6570 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-6570?

CVE-2012-6570 primarily affects Huawei Ar 18-1x. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6570?

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-2012-6570 published?

CVE-2012-6570 was published on 2013-06-20 and last updated on 2026-06-16.

CVE-2012-6570

CVE-2012-6570 is a critical-severity vulnerability in Huawei Ar 18-1x with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Huawei Ar 18-1x
Published: 2013-06-20
Last modified: 2026-06-16

Description

The HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web management components on Huawei AR routers and S2000, S3000, S3500, S3900, S5100, S5600, S7800, and S8500 switches does not check whether HTTP data is longer than the value of the Content-Length field, which allows remote HTTP servers to conduct heap-based buffer overflow attacks and execute arbitrary code via a crafted response.

Frequently asked questions

What is CVE-2012-6570?: The HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web management components on Huawei AR routers and S2000, S3000, S3500, S3900, S5100, S5600, S7800, and S8500 switches does not check whether HTTP data is longer than the value of the Content-Length field, which allows remote HTTP servers to conduct heap-based buffer overflow attacks and execute arbitrary code via a crafted response.
How severe is CVE-2012-6570?: CVE-2012-6570 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-6570 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-6570?: CVE-2012-6570 primarily affects Huawei Ar 18-1x. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6570?: 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-2012-6570 published?: CVE-2012-6570 was published on 2013-06-20 and last updated on 2026-06-16.

References

http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-u_194361.htm

Affected products (19)

cpe:2.3:h:huawei:ar_18-1x:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_18-2x:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_18-3x:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_19\/29\/49:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:ar_28\/46:*:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s2000:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s2300:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s2700:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3000:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3300:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3300hi:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3500:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3700:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s3900:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s5100:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s5600:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s7800:r6305:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s8500:r1631:*:*:*:*:*:*:*
cpe:2.3:h:huawei:s8500:r1632:*:*:*:*:*:*:*

More vulnerabilities in Huawei Ar 18-1x

CVE-2012-6569 — Critical (CVSS 9.3): Stack-based buffer overflow in the HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web…
CVE-2012-6571 — High (CVSS 7.5): The HTTP module in the (1) Branch Intelligent Management System (BIMS) and (2) web management components on Huawei AR…

All CVEs affecting Huawei Ar 18-1x →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →